211921684

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{86711}}^1$

素因数の和:86775

約数の個数: 24

約数和(自身を含む): 407893248

約数和(自身を除く): 195971564

約数列:

[1, 2, 4, 13, 26, 47, 52, 94, 188, 611, 1222, 2444, 86711, 173422, 346844, 1127243, 2254486, 4075417, 4508972, 8150834, 16301668, 52980421, 105960842, 211921684]

約数ペア:

[(1, 211921684), (2, 105960842), (4, 52980421), (13, 16301668), (26, 8150834), (47, 4508972), (52, 4075417), (94, 2254486), (188, 1127243), (611, 346844), (1222, 173422), (2444, 86711)]