65139928

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{239}}^1$

素因数の和:440

約数の個数: 64

約数和(自身を含む): 145612800

約数和(自身を除く): 80472872

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 157, 217, 239, 248, 314, 434, 478, 628, 868, 956, 1099, 1256, 1673, 1736, 1912, 2198, 3346, 4396, 4867, 6692, 7409, 8792, 9734, 13384, 14818, 19468, 29636, 34069, 37523, 38936, 51863, 59272, 68138, 75046, 103726, 136276, 150092, 207452, 262661, 272552, 300184, 414904, 525322, 1050644, 1163213, 2101288, 2326426, 4652852, 8142491, 9305704, 16284982, 32569964, 65139928]

約数ペア:

[(1, 65139928), (2, 32569964), (4, 16284982), (7, 9305704), (8, 8142491), (14, 4652852), (28, 2326426), (31, 2101288), (56, 1163213), (62, 1050644), (124, 525322), (157, 414904), (217, 300184), (239, 272552), (248, 262661), (314, 207452), (434, 150092), (478, 136276), (628, 103726), (868, 75046), (956, 68138), (1099, 59272), (1256, 51863), (1673, 38936), (1736, 37523), (1912, 34069), (2198, 29636), (3346, 19468), (4396, 14818), (4867, 13384), (6692, 9734), (7409, 8792)]