388640428

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{284927}}^1$

素因数の和:284973

約数の個数: 24

約数和(自身を含む): 765886464

約数和(自身を除く): 377246036

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 124, 341, 682, 1364, 284927, 569854, 1139708, 3134197, 6268394, 8832737, 12536788, 17665474, 35330948, 97160107, 194320214, 388640428]

約数ペア:

[(1, 388640428), (2, 194320214), (4, 97160107), (11, 35330948), (22, 17665474), (31, 12536788), (44, 8832737), (62, 6268394), (124, 3134197), (341, 1139708), (682, 569854), (1364, 284927)]