172347228

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{389}}^1\times {\mathrm{397}}^1$

素因数の和:827

約数の個数: 72

約数和(自身を含む): 452000640

約数和(自身を除く): 279653412

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 279, 372, 389, 397, 558, 778, 794, 1116, 1167, 1191, 1556, 1588, 2334, 2382, 3501, 3573, 4668, 4764, 7002, 7146, 12059, 12307, 14004, 14292, 24118, 24614, 36177, 36921, 48236, 49228, 72354, 73842, 108531, 110763, 144708, 147684, 154433, 217062, 221526, 308866, 434124, 443052, 463299, 617732, 926598, 1389897, 1853196, 2779794, 4787423, 5559588, 9574846, 14362269, 19149692, 28724538, 43086807, 57449076, 86173614, 172347228]

約数ペア:

[(1, 172347228), (2, 86173614), (3, 57449076), (4, 43086807), (6, 28724538), (9, 19149692), (12, 14362269), (18, 9574846), (31, 5559588), (36, 4787423), (62, 2779794), (93, 1853196), (124, 1389897), (186, 926598), (279, 617732), (372, 463299), (389, 443052), (397, 434124), (558, 308866), (778, 221526), (794, 217062), (1116, 154433), (1167, 147684), (1191, 144708), (1556, 110763), (1588, 108531), (2334, 73842), (2382, 72354), (3501, 49228), (3573, 48236), (4668, 36921), (4764, 36177), (7002, 24614), (7146, 24118), (12059, 14292), (12307, 14004)]