128420504

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{317}}^1\times {\mathrm{641}}^1$

素因数の和:1043

約数の個数: 32

約数和(自身を含む): 244987200

約数和(自身を除く): 116566696

約数列:

[1, 2, 4, 8, 79, 158, 316, 317, 632, 634, 641, 1268, 1282, 2536, 2564, 5128, 25043, 50086, 50639, 100172, 101278, 200344, 202556, 203197, 405112, 406394, 812788, 1625576, 16052563, 32105126, 64210252, 128420504]

約数ペア:

[(1, 128420504), (2, 64210252), (4, 32105126), (8, 16052563), (79, 1625576), (158, 812788), (316, 406394), (317, 405112), (632, 203197), (634, 202556), (641, 200344), (1268, 101278), (1282, 100172), (2536, 50639), (2564, 50086), (5128, 25043)]