31298778

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2671}}^1$

素因数の和:2720

約数の個数: 64

約数和(自身を含む): 82083840

約数和(自身を除く): 50785062

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 31, 42, 54, 62, 63, 93, 126, 186, 189, 217, 279, 378, 434, 558, 651, 837, 1302, 1674, 1953, 2671, 3906, 5342, 5859, 8013, 11718, 16026, 18697, 24039, 37394, 48078, 56091, 72117, 82801, 112182, 144234, 165602, 168273, 248403, 336546, 496806, 504819, 579607, 745209, 1009638, 1159214, 1490418, 1738821, 2235627, 3477642, 4471254, 5216463, 10432926, 15649389, 31298778]

約数ペア:

[(1, 31298778), (2, 15649389), (3, 10432926), (6, 5216463), (7, 4471254), (9, 3477642), (14, 2235627), (18, 1738821), (21, 1490418), (27, 1159214), (31, 1009638), (42, 745209), (54, 579607), (62, 504819), (63, 496806), (93, 336546), (126, 248403), (186, 168273), (189, 165602), (217, 144234), (279, 112182), (378, 82801), (434, 72117), (558, 56091), (651, 48078), (837, 37394), (1302, 24039), (1674, 18697), (1953, 16026), (2671, 11718), (3906, 8013), (5342, 5859)]