128586718

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1987}}^1$

素因数の和:2152

約数の個数: 32

約数和(自身を含む): 220429440

約数和(自身を除く): 91842722

約数列:

[1, 2, 13, 19, 26, 38, 131, 247, 262, 494, 1703, 1987, 2489, 3406, 3974, 4978, 25831, 32357, 37753, 51662, 64714, 75506, 260297, 490789, 520594, 981578, 3383861, 4945643, 6767722, 9891286, 64293359, 128586718]

約数ペア:

[(1, 128586718), (2, 64293359), (13, 9891286), (19, 6767722), (26, 4945643), (38, 3383861), (131, 981578), (247, 520594), (262, 490789), (494, 260297), (1703, 75506), (1987, 64714), (2489, 51662), (3406, 37753), (3974, 32357), (4978, 25831)]