90198776

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{2309}}^1$

素因数の和:2591

約数の個数: 32

約数和(自身を含む): 178794000

約数和(自身を除く): 88595224

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 257, 514, 1028, 2056, 2309, 4618, 4883, 9236, 9766, 18472, 19532, 39064, 43871, 87742, 175484, 350968, 593413, 1186826, 2373652, 4747304, 11274847, 22549694, 45099388, 90198776]

約数ペア:

[(1, 90198776), (2, 45099388), (4, 22549694), (8, 11274847), (19, 4747304), (38, 2373652), (76, 1186826), (152, 593413), (257, 350968), (514, 175484), (1028, 87742), (2056, 43871), (2309, 39064), (4618, 19532), (4883, 18472), (9236, 9766)]