12705154

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1$

素因数の和:271

約数の個数: 64

約数和(自身を含む): 26376192

約数和(自身を除く): 13671038

約数列:

[1, 2, 7, 11, 14, 17, 22, 23, 34, 46, 77, 119, 154, 161, 187, 211, 238, 253, 322, 374, 391, 422, 506, 782, 1309, 1477, 1771, 2321, 2618, 2737, 2954, 3542, 3587, 4301, 4642, 4853, 5474, 7174, 8602, 9706, 16247, 25109, 30107, 32494, 33971, 39457, 50218, 53383, 60214, 67942, 78914, 82501, 106766, 165002, 276199, 373681, 552398, 577507, 747362, 907511, 1155014, 1815022, 6352577, 12705154]

約数ペア:

[(1, 12705154), (2, 6352577), (7, 1815022), (11, 1155014), (14, 907511), (17, 747362), (22, 577507), (23, 552398), (34, 373681), (46, 276199), (77, 165002), (119, 106766), (154, 82501), (161, 78914), (187, 67942), (211, 60214), (238, 53383), (253, 50218), (322, 39457), (374, 33971), (391, 32494), (422, 30107), (506, 25109), (782, 16247), (1309, 9706), (1477, 8602), (1771, 7174), (2321, 5474), (2618, 4853), (2737, 4642), (2954, 4301), (3542, 3587)]