64980244

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^2\times {\mathrm{41}}^1\times {\mathrm{107}}^1$

素因数の和:205

約数の個数: 72

約数和(自身を含む): 140470848

約数和(自身を除く): 75490604

約数列:

[1, 2, 4, 7, 14, 23, 28, 41, 46, 82, 92, 107, 161, 164, 214, 287, 322, 428, 529, 574, 644, 749, 943, 1058, 1148, 1498, 1886, 2116, 2461, 2996, 3703, 3772, 4387, 4922, 6601, 7406, 8774, 9844, 13202, 14812, 17227, 17548, 21689, 26404, 30709, 34454, 43378, 56603, 61418, 68908, 86756, 100901, 113206, 122836, 151823, 201802, 226412, 303646, 396221, 403604, 607292, 706307, 792442, 1412614, 1584884, 2320723, 2825228, 4641446, 9282892, 16245061, 32490122, 64980244]

約数ペア:

[(1, 64980244), (2, 32490122), (4, 16245061), (7, 9282892), (14, 4641446), (23, 2825228), (28, 2320723), (41, 1584884), (46, 1412614), (82, 792442), (92, 706307), (107, 607292), (161, 403604), (164, 396221), (214, 303646), (287, 226412), (322, 201802), (428, 151823), (529, 122836), (574, 113206), (644, 100901), (749, 86756), (943, 68908), (1058, 61418), (1148, 56603), (1498, 43378), (1886, 34454), (2116, 30709), (2461, 26404), (2996, 21689), (3703, 17548), (3772, 17227), (4387, 14812), (4922, 13202), (6601, 9844), (7406, 8774)]