399778852

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{293093}}^1$

素因数の和:293139

約数の個数: 24

約数和(自身を含む): 787836672

約数和(自身を除く): 388057820

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 124, 341, 682, 1364, 293093, 586186, 1172372, 3224023, 6448046, 9085883, 12896092, 18171766, 36343532, 99944713, 199889426, 399778852]

約数ペア:

[(1, 399778852), (2, 199889426), (4, 99944713), (11, 36343532), (22, 18171766), (31, 12896092), (44, 9085883), (62, 6448046), (124, 3224023), (341, 1172372), (682, 586186), (1364, 293093)]