128892296

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{39979}}^1$

素因数の和:40029

約数の個数: 32

約数和(自身を含む): 268665600

約数和(自身を除く): 139773304

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 39979, 79958, 159916, 319832, 519727, 1039454, 1239349, 2078908, 2478698, 4157816, 4957396, 9914792, 16111537, 32223074, 64446148, 128892296]

約数ペア:

[(1, 128892296), (2, 64446148), (4, 32223074), (8, 16111537), (13, 9914792), (26, 4957396), (31, 4157816), (52, 2478698), (62, 2078908), (104, 1239349), (124, 1039454), (248, 519727), (403, 319832), (806, 159916), (1612, 79958), (3224, 39979)]