79781608

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{491}}^1\times {\mathrm{1069}}^1$

素因数の和:1585

約数の個数: 32

約数和(自身を含む): 157932000

約数和(自身を除く): 78150392

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 491, 982, 1069, 1964, 2138, 3928, 4276, 8552, 9329, 18658, 20311, 37316, 40622, 74632, 81244, 162488, 524879, 1049758, 2099516, 4199032, 9972701, 19945402, 39890804, 79781608]

約数ペア:

[(1, 79781608), (2, 39890804), (4, 19945402), (8, 9972701), (19, 4199032), (38, 2099516), (76, 1049758), (152, 524879), (491, 162488), (982, 81244), (1069, 74632), (1964, 40622), (2138, 37316), (3928, 20311), (4276, 18658), (8552, 9329)]