218163491

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{229}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 294436800

約数和(自身を除く): 76273309

約数列:

[1, 7, 13, 19, 29, 91, 133, 203, 229, 247, 361, 377, 551, 1603, 1729, 2527, 2639, 2977, 3857, 4351, 4693, 6641, 7163, 10469, 20839, 30457, 32851, 46487, 50141, 56563, 73283, 82669, 86333, 126179, 136097, 395941, 578683, 604331, 883253, 952679, 1074697, 1640327, 2397401, 7522879, 11482289, 16781807, 31166213, 218163491]

約数ペア:

[(1, 218163491), (7, 31166213), (13, 16781807), (19, 11482289), (29, 7522879), (91, 2397401), (133, 1640327), (203, 1074697), (229, 952679), (247, 883253), (361, 604331), (377, 578683), (551, 395941), (1603, 136097), (1729, 126179), (2527, 86333), (2639, 82669), (2977, 73283), (3857, 56563), (4351, 50141), (4693, 46487), (6641, 32851), (7163, 30457), (10469, 20839)]