207949978

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{617}}^1\times {\mathrm{3919}}^1$

素因数の和:4581

約数の個数: 16

約数和(自身を含む): 319777920

約数和(自身を除く): 111827942

約数列:

[1, 2, 43, 86, 617, 1234, 3919, 7838, 26531, 53062, 168517, 337034, 2418023, 4836046, 103974989, 207949978]

約数ペア:

[(1, 207949978), (2, 103974989), (43, 4836046), (86, 2418023), (617, 337034), (1234, 168517), (3919, 53062), (7838, 26531)]