123813972

素因数分解:

$2^2\times 3^2\times {\mathrm{109}}^1\times {\mathrm{139}}^1\times {\mathrm{227}}^1$

素因数の和:485

約数の個数: 72

約数和(自身を含む): 319519200

約数和(自身を除く): 195705228

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 109, 139, 218, 227, 278, 327, 417, 436, 454, 556, 654, 681, 834, 908, 981, 1251, 1308, 1362, 1668, 1962, 2043, 2502, 2724, 3924, 4086, 5004, 8172, 15151, 24743, 30302, 31553, 45453, 49486, 60604, 63106, 74229, 90906, 94659, 98972, 126212, 136359, 148458, 181812, 189318, 222687, 272718, 283977, 296916, 378636, 445374, 545436, 567954, 890748, 1135908, 3439277, 6878554, 10317831, 13757108, 20635662, 30953493, 41271324, 61906986, 123813972]

約数ペア:

[(1, 123813972), (2, 61906986), (3, 41271324), (4, 30953493), (6, 20635662), (9, 13757108), (12, 10317831), (18, 6878554), (36, 3439277), (109, 1135908), (139, 890748), (218, 567954), (227, 545436), (278, 445374), (327, 378636), (417, 296916), (436, 283977), (454, 272718), (556, 222687), (654, 189318), (681, 181812), (834, 148458), (908, 136359), (981, 126212), (1251, 98972), (1308, 94659), (1362, 90906), (1668, 74229), (1962, 63106), (2043, 60604), (2502, 49486), (2724, 45453), (3924, 31553), (4086, 30302), (5004, 24743), (8172, 15151)]