28071306

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{409}}^1$

素因数の和:492

約数の個数: 64

約数和(自身を含む): 66124800

約数和(自身を除く): 38053494

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 41, 54, 62, 82, 93, 123, 186, 246, 279, 369, 409, 558, 738, 818, 837, 1107, 1227, 1271, 1674, 2214, 2454, 2542, 3681, 3813, 7362, 7626, 11043, 11439, 12679, 16769, 22086, 22878, 25358, 33538, 34317, 38037, 50307, 68634, 76074, 100614, 114111, 150921, 228222, 301842, 342333, 452763, 519839, 684666, 905526, 1039678, 1559517, 3119034, 4678551, 9357102, 14035653, 28071306]

約数ペア:

[(1, 28071306), (2, 14035653), (3, 9357102), (6, 4678551), (9, 3119034), (18, 1559517), (27, 1039678), (31, 905526), (41, 684666), (54, 519839), (62, 452763), (82, 342333), (93, 301842), (123, 228222), (186, 150921), (246, 114111), (279, 100614), (369, 76074), (409, 68634), (558, 50307), (738, 38037), (818, 34317), (837, 33538), (1107, 25358), (1227, 22878), (1271, 22086), (1674, 16769), (2214, 12679), (2454, 11439), (2542, 11043), (3681, 7626), (3813, 7362)]