31426808

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1$

素因数の和:508

約数の個数: 64

約数和(自身を含む): 71301120

約数和(自身を除く): 39874312

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 43, 56, 62, 86, 124, 172, 217, 248, 301, 344, 421, 434, 602, 842, 868, 1204, 1333, 1684, 1736, 2408, 2666, 2947, 3368, 5332, 5894, 9331, 10664, 11788, 13051, 18103, 18662, 23576, 26102, 36206, 37324, 52204, 72412, 74648, 91357, 104408, 126721, 144824, 182714, 253442, 365428, 506884, 561193, 730856, 1013768, 1122386, 2244772, 3928351, 4489544, 7856702, 15713404, 31426808]

約数ペア:

[(1, 31426808), (2, 15713404), (4, 7856702), (7, 4489544), (8, 3928351), (14, 2244772), (28, 1122386), (31, 1013768), (43, 730856), (56, 561193), (62, 506884), (86, 365428), (124, 253442), (172, 182714), (217, 144824), (248, 126721), (301, 104408), (344, 91357), (421, 74648), (434, 72412), (602, 52204), (842, 37324), (868, 36206), (1204, 26102), (1333, 23576), (1684, 18662), (1736, 18103), (2408, 13051), (2666, 11788), (2947, 10664), (3368, 9331), (5332, 5894)]