257790078

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{22483}}^1$

素因数の和:22518

約数の個数: 72

約数和(自身を含む): 699747048

約数和(自身を除く): 441956970

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 49, 63, 78, 91, 98, 117, 126, 147, 182, 234, 273, 294, 441, 546, 637, 819, 882, 1274, 1638, 1911, 3822, 5733, 11466, 22483, 44966, 67449, 134898, 157381, 202347, 292279, 314762, 404694, 472143, 584558, 876837, 944286, 1101667, 1416429, 1753674, 2045953, 2203334, 2630511, 2832858, 3305001, 4091906, 5261022, 6137859, 6610002, 9915003, 12275718, 14321671, 18413577, 19830006, 28643342, 36827154, 42965013, 85930026, 128895039, 257790078]

約数ペア:

[(1, 257790078), (2, 128895039), (3, 85930026), (6, 42965013), (7, 36827154), (9, 28643342), (13, 19830006), (14, 18413577), (18, 14321671), (21, 12275718), (26, 9915003), (39, 6610002), (42, 6137859), (49, 5261022), (63, 4091906), (78, 3305001), (91, 2832858), (98, 2630511), (117, 2203334), (126, 2045953), (147, 1753674), (182, 1416429), (234, 1101667), (273, 944286), (294, 876837), (441, 584558), (546, 472143), (637, 404694), (819, 314762), (882, 292279), (1274, 202347), (1638, 157381), (1911, 134898), (3822, 67449), (5733, 44966), (11466, 22483)]