219790504

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{4111}}^1$

素因数の和:4321

約数の個数: 32

約数和(自身を含む): 424851840

約数和(自身を除く): 205061336

約数列:

[1, 2, 4, 8, 41, 82, 163, 164, 326, 328, 652, 1304, 4111, 6683, 8222, 13366, 16444, 26732, 32888, 53464, 168551, 337102, 670093, 674204, 1340186, 1348408, 2680372, 5360744, 27473813, 54947626, 109895252, 219790504]

約数ペア:

[(1, 219790504), (2, 109895252), (4, 54947626), (8, 27473813), (41, 5360744), (82, 2680372), (163, 1348408), (164, 1340186), (326, 674204), (328, 670093), (652, 337102), (1304, 168551), (4111, 53464), (6683, 32888), (8222, 26732), (13366, 16444)]