161257668

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{8543}}^1$

素因数の和:8585

約数の個数: 72

約数和(自身を含む): 445449984

約数和(自身を除く): 284192316

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 121, 132, 143, 156, 242, 286, 363, 429, 484, 572, 726, 858, 1452, 1573, 1716, 3146, 4719, 6292, 8543, 9438, 17086, 18876, 25629, 34172, 51258, 93973, 102516, 111059, 187946, 222118, 281919, 333177, 375892, 444236, 563838, 666354, 1033703, 1127676, 1221649, 1332708, 2067406, 2443298, 3101109, 3664947, 4134812, 4886596, 6202218, 7329894, 12404436, 13438139, 14659788, 26876278, 40314417, 53752556, 80628834, 161257668]

約数ペア:

[(1, 161257668), (2, 80628834), (3, 53752556), (4, 40314417), (6, 26876278), (11, 14659788), (12, 13438139), (13, 12404436), (22, 7329894), (26, 6202218), (33, 4886596), (39, 4134812), (44, 3664947), (52, 3101109), (66, 2443298), (78, 2067406), (121, 1332708), (132, 1221649), (143, 1127676), (156, 1033703), (242, 666354), (286, 563838), (363, 444236), (429, 375892), (484, 333177), (572, 281919), (726, 222118), (858, 187946), (1452, 111059), (1573, 102516), (1716, 93973), (3146, 51258), (4719, 34172), (6292, 25629), (8543, 18876), (9438, 17086)]