138571984

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{491}}^1\times {\mathrm{569}}^1$

素因数の和:1099

約数の個数: 40

約数和(自身を含む): 278196480

約数和(自身を除く): 139624496

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 491, 496, 569, 982, 1138, 1964, 2276, 3928, 4552, 7856, 9104, 15221, 17639, 30442, 35278, 60884, 70556, 121768, 141112, 243536, 279379, 282224, 558758, 1117516, 2235032, 4470064, 8660749, 17321498, 34642996, 69285992, 138571984]

約数ペア:

[(1, 138571984), (2, 69285992), (4, 34642996), (8, 17321498), (16, 8660749), (31, 4470064), (62, 2235032), (124, 1117516), (248, 558758), (491, 282224), (496, 279379), (569, 243536), (982, 141112), (1138, 121768), (1964, 70556), (2276, 60884), (3928, 35278), (4552, 30442), (7856, 17639), (9104, 15221)]