81380712

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{4703}}^1$

素因数の和:4822

約数の個数: 64

約数和(自身を含む): 234823680

約数和(自身を除く): 153442968

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 103, 168, 206, 309, 412, 618, 721, 824, 1236, 1442, 2163, 2472, 2884, 4326, 4703, 5768, 8652, 9406, 14109, 17304, 18812, 28218, 32921, 37624, 56436, 65842, 98763, 112872, 131684, 197526, 263368, 395052, 484409, 790104, 968818, 1453227, 1937636, 2906454, 3390863, 3875272, 5812908, 6781726, 10172589, 11625816, 13563452, 20345178, 27126904, 40690356, 81380712]

約数ペア:

[(1, 81380712), (2, 40690356), (3, 27126904), (4, 20345178), (6, 13563452), (7, 11625816), (8, 10172589), (12, 6781726), (14, 5812908), (21, 3875272), (24, 3390863), (28, 2906454), (42, 1937636), (56, 1453227), (84, 968818), (103, 790104), (168, 484409), (206, 395052), (309, 263368), (412, 197526), (618, 131684), (721, 112872), (824, 98763), (1236, 65842), (1442, 56436), (2163, 37624), (2472, 32921), (2884, 28218), (4326, 18812), (4703, 17304), (5768, 14109), (8652, 9406)]