210005718

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{86851}}^1$

素因数の和:86900

約数の個数: 32

約数和(自身を含む): 466916352

約数和(自身を除く): 256910634

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 403, 806, 1209, 2418, 86851, 173702, 260553, 521106, 1129063, 2258126, 2692381, 3387189, 5384762, 6774378, 8077143, 16154286, 35000953, 70001906, 105002859, 210005718]

約数ペア:

[(1, 210005718), (2, 105002859), (3, 70001906), (6, 35000953), (13, 16154286), (26, 8077143), (31, 6774378), (39, 5384762), (62, 3387189), (78, 2692381), (93, 2258126), (186, 1129063), (403, 521106), (806, 260553), (1209, 173702), (2418, 86851)]