278639710

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1211477}}^1$

素因数の和:1211507

約数の個数: 16

約数和(自身を含む): 523358496

約数和(自身を除く): 244718786

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 1211477, 2422954, 6057385, 12114770, 27863971, 55727942, 139319855, 278639710]

約数ペア:

[(1, 278639710), (2, 139319855), (5, 55727942), (10, 27863971), (23, 12114770), (46, 6057385), (115, 2422954), (230, 1211477)]