678662012

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{25703}}^1$

素因数の和:25778

約数の個数: 48

約数和(自身を含む): 1450939392

約数和(自身を除く): 772277380

約数列:

[1, 2, 4, 7, 14, 23, 28, 41, 46, 82, 92, 161, 164, 287, 322, 574, 644, 943, 1148, 1886, 3772, 6601, 13202, 25703, 26404, 51406, 102812, 179921, 359842, 591169, 719684, 1053823, 1182338, 2107646, 2364676, 4138183, 4215292, 7376761, 8276366, 14753522, 16552732, 24237929, 29507044, 48475858, 96951716, 169665503, 339331006, 678662012]

約数ペア:

[(1, 678662012), (2, 339331006), (4, 169665503), (7, 96951716), (14, 48475858), (23, 29507044), (28, 24237929), (41, 16552732), (46, 14753522), (82, 8276366), (92, 7376761), (161, 4215292), (164, 4138183), (287, 2364676), (322, 2107646), (574, 1182338), (644, 1053823), (943, 719684), (1148, 591169), (1886, 359842), (3772, 179921), (6601, 102812), (13202, 51406), (25703, 26404)]