216929310

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{556229}}^1$

素因数の和:556252

約数の個数: 32

約数和(自身を含む): 560679840

約数和(自身を除く): 343750530

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 556229, 1112458, 1668687, 2781145, 3337374, 5562290, 7230977, 8343435, 14461954, 16686870, 21692931, 36154885, 43385862, 72309770, 108464655, 216929310]

約数ペア:

[(1, 216929310), (2, 108464655), (3, 72309770), (5, 43385862), (6, 36154885), (10, 21692931), (13, 16686870), (15, 14461954), (26, 8343435), (30, 7230977), (39, 5562290), (65, 3337374), (78, 2781145), (130, 1668687), (195, 1112458), (390, 556229)]