642936112

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{263}}^1$

素因数の和:387

約数の個数: 160

約数和(自身を含む): 1627895808

約数和(自身を除く): 984959696

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 23, 26, 28, 46, 52, 56, 73, 91, 92, 104, 112, 146, 161, 182, 184, 208, 263, 292, 299, 322, 364, 368, 511, 526, 584, 598, 644, 728, 949, 1022, 1052, 1168, 1196, 1288, 1456, 1679, 1841, 1898, 2044, 2093, 2104, 2392, 2576, 3358, 3419, 3682, 3796, 4088, 4186, 4208, 4784, 6049, 6643, 6716, 6838, 7364, 7592, 8176, 8372, 11753, 12098, 13286, 13432, 13676, 14728, 15184, 16744, 19199, 21827, 23506, 23933, 24196, 26572, 26864, 27352, 29456, 33488, 38398, 42343, 43654, 47012, 47866, 48392, 53144, 54704, 76796, 78637, 84686, 87308, 94024, 95732, 96784, 106288, 134393, 152789, 153592, 157274, 169372, 174616, 188048, 191464, 249587, 268786, 305578, 307184, 314548, 338744, 349232, 382928, 441577, 499174, 537572, 550459, 611156, 629096, 677488, 883154, 998348, 1075144, 1100918, 1222312, 1258192, 1747109, 1766308, 1996696, 2150288, 2201836, 2444624, 3091039, 3494218, 3532616, 3993392, 4403672, 5740501, 6182078, 6988436, 7065232, 8807344, 11481002, 12364156, 13976872, 22962004, 24728312, 27953744, 40183507, 45924008, 49456624, 80367014, 91848016, 160734028, 321468056, 642936112]

約数ペア:

[(1, 642936112), (2, 321468056), (4, 160734028), (7, 91848016), (8, 80367014), (13, 49456624), (14, 45924008), (16, 40183507), (23, 27953744), (26, 24728312), (28, 22962004), (46, 13976872), (52, 12364156), (56, 11481002), (73, 8807344), (91, 7065232), (92, 6988436), (104, 6182078), (112, 5740501), (146, 4403672), (161, 3993392), (182, 3532616), (184, 3494218), (208, 3091039), (263, 2444624), (292, 2201836), (299, 2150288), (322, 1996696), (364, 1766308), (368, 1747109), (511, 1258192), (526, 1222312), (584, 1100918), (598, 1075144), (644, 998348), (728, 883154), (949, 677488), (1022, 629096), (1052, 611156), (1168, 550459), (1196, 537572), (1288, 499174), (1456, 441577), (1679, 382928), (1841, 349232), (1898, 338744), (2044, 314548), (2093, 307184), (2104, 305578), (2392, 268786), (2576, 249587), (3358, 191464), (3419, 188048), (3682, 174616), (3796, 169372), (4088, 157274), (4186, 153592), (4208, 152789), (4784, 134393), (6049, 106288), (6643, 96784), (6716, 95732), (6838, 94024), (7364, 87308), (7592, 84686), (8176, 78637), (8372, 76796), (11753, 54704), (12098, 53144), (13286, 48392), (13432, 47866), (13676, 47012), (14728, 43654), (15184, 42343), (16744, 38398), (19199, 33488), (21827, 29456), (23506, 27352), (23933, 26864), (24196, 26572)]