131789456

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{431}}^1\times {\mathrm{659}}^1$

素因数の和:1127

約数の個数: 40

約数和(自身を含む): 265161600

約数和(自身を除く): 133372144

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 431, 464, 659, 862, 1318, 1724, 2636, 3448, 5272, 6896, 10544, 12499, 19111, 24998, 38222, 49996, 76444, 99992, 152888, 199984, 284029, 305776, 568058, 1136116, 2272232, 4544464, 8236841, 16473682, 32947364, 65894728, 131789456]

約数ペア:

[(1, 131789456), (2, 65894728), (4, 32947364), (8, 16473682), (16, 8236841), (29, 4544464), (58, 2272232), (116, 1136116), (232, 568058), (431, 305776), (464, 284029), (659, 199984), (862, 152888), (1318, 99992), (1724, 76444), (2636, 49996), (3448, 38222), (5272, 24998), (6896, 19111), (10544, 12499)]