61820696

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{239}}^1$

素因数の和:432

約数の個数: 64

約数和(自身を含む): 138240000

約数和(自身を除く): 76419304

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 149, 217, 239, 248, 298, 434, 478, 596, 868, 956, 1043, 1192, 1673, 1736, 1912, 2086, 3346, 4172, 4619, 6692, 7409, 8344, 9238, 13384, 14818, 18476, 29636, 32333, 35611, 36952, 51863, 59272, 64666, 71222, 103726, 129332, 142444, 207452, 249277, 258664, 284888, 414904, 498554, 997108, 1103941, 1994216, 2207882, 4415764, 7727587, 8831528, 15455174, 30910348, 61820696]

約数ペア:

[(1, 61820696), (2, 30910348), (4, 15455174), (7, 8831528), (8, 7727587), (14, 4415764), (28, 2207882), (31, 1994216), (56, 1103941), (62, 997108), (124, 498554), (149, 414904), (217, 284888), (239, 258664), (248, 249277), (298, 207452), (434, 142444), (478, 129332), (596, 103726), (868, 71222), (956, 64666), (1043, 59272), (1192, 51863), (1673, 36952), (1736, 35611), (1912, 32333), (2086, 29636), (3346, 18476), (4172, 14818), (4619, 13384), (6692, 9238), (7409, 8344)]