81249664

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{37339}}^1$

素因数の和:37370

約数の個数: 32

約数和(自身を含む): 171390600

約数和(自身を除く): 90140936

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 272, 544, 1088, 2176, 37339, 74678, 149356, 298712, 597424, 634763, 1194848, 1269526, 2389696, 2539052, 4779392, 5078104, 10156208, 20312416, 40624832, 81249664]

約数ペア:

[(1, 81249664), (2, 40624832), (4, 20312416), (8, 10156208), (16, 5078104), (17, 4779392), (32, 2539052), (34, 2389696), (64, 1269526), (68, 1194848), (128, 634763), (136, 597424), (272, 298712), (544, 149356), (1088, 74678), (2176, 37339)]