216925410

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{556219}}^1$

素因数の和:556242

約数の個数: 32

約数和(自身を含む): 560669760

約数和(自身を除く): 343744350

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 556219, 1112438, 1668657, 2781095, 3337314, 5562190, 7230847, 8343285, 14461694, 16686570, 21692541, 36154235, 43385082, 72308470, 108462705, 216925410]

約数ペア:

[(1, 216925410), (2, 108462705), (3, 72308470), (5, 43385082), (6, 36154235), (10, 21692541), (13, 16686570), (15, 14461694), (26, 8343285), (30, 7230847), (39, 5562190), (65, 3337314), (78, 2781095), (130, 1668657), (195, 1112438), (390, 556219)]