293758790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{72893}}^1$

素因数の和:72944

約数の個数: 32

約数和(自身を含む): 587817216

約数和(自身を除く): 294058426

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 72893, 145786, 364465, 728930, 947609, 1895218, 2259683, 4519366, 4738045, 9476090, 11298415, 22596830, 29375879, 58751758, 146879395, 293758790]

約数ペア:

[(1, 293758790), (2, 146879395), (5, 58751758), (10, 29375879), (13, 22596830), (26, 11298415), (31, 9476090), (62, 4738045), (65, 4519366), (130, 2259683), (155, 1895218), (310, 947609), (403, 728930), (806, 364465), (2015, 145786), (4030, 72893)]