171678188

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:255

約数の個数: 72

約数和(自身を含む): 345572304

約数和(自身を除く): 173894116

約数列:

[1, 2, 4, 11, 22, 43, 44, 73, 86, 113, 121, 146, 172, 226, 242, 292, 452, 473, 484, 803, 946, 1243, 1606, 1892, 2486, 3139, 3212, 4859, 4972, 5203, 6278, 8249, 8833, 9718, 10406, 12556, 13673, 16498, 17666, 19436, 20812, 27346, 32996, 34529, 35332, 53449, 54692, 69058, 90739, 106898, 138116, 181478, 213796, 354707, 362956, 379819, 587939, 709414, 759638, 998129, 1175878, 1418828, 1519276, 1996258, 2351756, 3901777, 3992516, 7803554, 15607108, 42919547, 85839094, 171678188]

約数ペア:

[(1, 171678188), (2, 85839094), (4, 42919547), (11, 15607108), (22, 7803554), (43, 3992516), (44, 3901777), (73, 2351756), (86, 1996258), (113, 1519276), (121, 1418828), (146, 1175878), (172, 998129), (226, 759638), (242, 709414), (292, 587939), (452, 379819), (473, 362956), (484, 354707), (803, 213796), (946, 181478), (1243, 138116), (1606, 106898), (1892, 90739), (2486, 69058), (3139, 54692), (3212, 53449), (4859, 35332), (4972, 34529), (5203, 32996), (6278, 27346), (8249, 20812), (8833, 19436), (9718, 17666), (10406, 16498), (12556, 13673)]