405749268

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{1621}}^1$

素因数の和:2057

約数の個数: 72

約数和(自身を含む): 1089302760

約数和(自身を除く): 683553492

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 204, 306, 409, 612, 818, 1227, 1621, 1636, 2454, 3242, 3681, 4863, 4908, 6484, 6953, 7362, 9726, 13906, 14589, 14724, 19452, 20859, 27557, 27812, 29178, 41718, 55114, 58356, 62577, 82671, 83436, 110228, 125154, 165342, 248013, 250308, 330684, 496026, 662989, 992052, 1325978, 1988967, 2651956, 3977934, 5966901, 7955868, 11270813, 11933802, 22541626, 23867604, 33812439, 45083252, 67624878, 101437317, 135249756, 202874634, 405749268]

約数ペア:

[(1, 405749268), (2, 202874634), (3, 135249756), (4, 101437317), (6, 67624878), (9, 45083252), (12, 33812439), (17, 23867604), (18, 22541626), (34, 11933802), (36, 11270813), (51, 7955868), (68, 5966901), (102, 3977934), (153, 2651956), (204, 1988967), (306, 1325978), (409, 992052), (612, 662989), (818, 496026), (1227, 330684), (1621, 250308), (1636, 248013), (2454, 165342), (3242, 125154), (3681, 110228), (4863, 83436), (4908, 82671), (6484, 62577), (6953, 58356), (7362, 55114), (9726, 41718), (13906, 29178), (14589, 27812), (14724, 27557), (19452, 20859)]