215739916

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{86573}}^1$

素因数の和:86673

約数の個数: 24

約数和(自身を含む): 436332960

約数和(自身を除く): 220593044

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 623, 1246, 2492, 86573, 173146, 346292, 606011, 1212022, 2424044, 7704997, 15409994, 30819988, 53934979, 107869958, 215739916]

約数ペア:

[(1, 215739916), (2, 107869958), (4, 53934979), (7, 30819988), (14, 15409994), (28, 7704997), (89, 2424044), (178, 1212022), (356, 606011), (623, 346292), (1246, 173146), (2492, 86573)]