197904476

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{642547}}^1$

素因数の和:642569

約数の個数: 24

約数和(自身を含む): 431792256

約数和(自身を除く): 233887780

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 642547, 1285094, 2570188, 4497829, 7068017, 8995658, 14136034, 17991316, 28272068, 49476119, 98952238, 197904476]

約数ペア:

[(1, 197904476), (2, 98952238), (4, 49476119), (7, 28272068), (11, 17991316), (14, 14136034), (22, 8995658), (28, 7068017), (44, 4497829), (77, 2570188), (154, 1285094), (308, 642547)]