12840204

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1553}}^1$

素因数の和:1626

約数の個数: 48

約数和(自身を含む): 32895072

約数和(自身を除く): 20054868

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 53, 78, 106, 156, 159, 212, 318, 636, 689, 1378, 1553, 2067, 2756, 3106, 4134, 4659, 6212, 8268, 9318, 18636, 20189, 40378, 60567, 80756, 82309, 121134, 164618, 242268, 246927, 329236, 493854, 987708, 1070017, 2140034, 3210051, 4280068, 6420102, 12840204]

約数ペア:

[(1, 12840204), (2, 6420102), (3, 4280068), (4, 3210051), (6, 2140034), (12, 1070017), (13, 987708), (26, 493854), (39, 329236), (52, 246927), (53, 242268), (78, 164618), (106, 121134), (156, 82309), (159, 80756), (212, 60567), (318, 40378), (636, 20189), (689, 18636), (1378, 9318), (1553, 8268), (2067, 6212), (2756, 4659), (3106, 4134)]