649078768

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{347}}^1$

素因数の和:431

約数の個数: 120

約数和(自身を含む): 1503372528

約数和(自身を除く): 854293760

約数列:

[1, 2, 4, 8, 13, 16, 17, 23, 26, 34, 46, 52, 68, 92, 104, 136, 184, 208, 221, 272, 299, 347, 368, 391, 442, 529, 598, 694, 782, 884, 1058, 1196, 1388, 1564, 1768, 2116, 2392, 2776, 3128, 3536, 4232, 4511, 4784, 5083, 5552, 5899, 6256, 6877, 7981, 8464, 8993, 9022, 10166, 11798, 13754, 15962, 17986, 18044, 20332, 23596, 27508, 31924, 35972, 36088, 40664, 47192, 55016, 63848, 71944, 72176, 76687, 81328, 94384, 103753, 110032, 116909, 127696, 135677, 143888, 153374, 183563, 207506, 233818, 271354, 306748, 367126, 415012, 467636, 542708, 613496, 734252, 830024, 935272, 1085416, 1226992, 1468504, 1660048, 1763801, 1870544, 2170832, 2386319, 2937008, 3120571, 3527602, 4772638, 6241142, 7055204, 9545276, 12482284, 14110408, 19090552, 24964568, 28220816, 38181104, 40567423, 49929136, 81134846, 162269692, 324539384, 649078768]

約数ペア:

[(1, 649078768), (2, 324539384), (4, 162269692), (8, 81134846), (13, 49929136), (16, 40567423), (17, 38181104), (23, 28220816), (26, 24964568), (34, 19090552), (46, 14110408), (52, 12482284), (68, 9545276), (92, 7055204), (104, 6241142), (136, 4772638), (184, 3527602), (208, 3120571), (221, 2937008), (272, 2386319), (299, 2170832), (347, 1870544), (368, 1763801), (391, 1660048), (442, 1468504), (529, 1226992), (598, 1085416), (694, 935272), (782, 830024), (884, 734252), (1058, 613496), (1196, 542708), (1388, 467636), (1564, 415012), (1768, 367126), (2116, 306748), (2392, 271354), (2776, 233818), (3128, 207506), (3536, 183563), (4232, 153374), (4511, 143888), (4784, 135677), (5083, 127696), (5552, 116909), (5899, 110032), (6256, 103753), (6877, 94384), (7981, 81328), (8464, 76687), (8993, 72176), (9022, 71944), (10166, 63848), (11798, 55016), (13754, 47192), (15962, 40664), (17986, 36088), (18044, 35972), (20332, 31924), (23596, 27508)]