521376128

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2633}}^1$

素因数の和:2684

約数の個数: 128

約数和(自身を含む): 1354086720

約数和(自身を除く): 832710592

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 32, 34, 52, 56, 64, 68, 91, 104, 112, 119, 128, 136, 182, 208, 221, 224, 238, 272, 364, 416, 442, 448, 476, 544, 728, 832, 884, 896, 952, 1088, 1456, 1547, 1664, 1768, 1904, 2176, 2633, 2912, 3094, 3536, 3808, 5266, 5824, 6188, 7072, 7616, 10532, 11648, 12376, 14144, 15232, 18431, 21064, 24752, 28288, 34229, 36862, 42128, 44761, 49504, 68458, 73724, 84256, 89522, 99008, 136916, 147448, 168512, 179044, 198016, 239603, 273832, 294896, 313327, 337024, 358088, 479206, 547664, 581893, 589792, 626654, 716176, 958412, 1095328, 1163786, 1179584, 1253308, 1432352, 1916824, 2190656, 2327572, 2359168, 2506616, 2864704, 3833648, 4073251, 4381312, 4655144, 5013232, 5729408, 7667296, 8146502, 9310288, 10026464, 15334592, 16293004, 18620576, 20052928, 30669184, 32586008, 37241152, 40105856, 65172016, 74482304, 130344032, 260688064, 521376128]

約数ペア:

[(1, 521376128), (2, 260688064), (4, 130344032), (7, 74482304), (8, 65172016), (13, 40105856), (14, 37241152), (16, 32586008), (17, 30669184), (26, 20052928), (28, 18620576), (32, 16293004), (34, 15334592), (52, 10026464), (56, 9310288), (64, 8146502), (68, 7667296), (91, 5729408), (104, 5013232), (112, 4655144), (119, 4381312), (128, 4073251), (136, 3833648), (182, 2864704), (208, 2506616), (221, 2359168), (224, 2327572), (238, 2190656), (272, 1916824), (364, 1432352), (416, 1253308), (442, 1179584), (448, 1163786), (476, 1095328), (544, 958412), (728, 716176), (832, 626654), (884, 589792), (896, 581893), (952, 547664), (1088, 479206), (1456, 358088), (1547, 337024), (1664, 313327), (1768, 294896), (1904, 273832), (2176, 239603), (2633, 198016), (2912, 179044), (3094, 168512), (3536, 147448), (3808, 136916), (5266, 99008), (5824, 89522), (6188, 84256), (7072, 73724), (7616, 68458), (10532, 49504), (11648, 44761), (12376, 42128), (14144, 36862), (15232, 34229), (18431, 28288), (21064, 24752)]