12581988

素因数分解:

$2^2\times 3^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{271}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 30433536

約数和(自身を除く): 17851548

約数列:

[1, 2, 3, 4, 6, 12, 53, 73, 106, 146, 159, 212, 219, 271, 292, 318, 438, 542, 636, 813, 876, 1084, 1626, 3252, 3869, 7738, 11607, 14363, 15476, 19783, 23214, 28726, 39566, 43089, 46428, 57452, 59349, 79132, 86178, 118698, 172356, 237396, 1048499, 2096998, 3145497, 4193996, 6290994, 12581988]

約数ペア:

[(1, 12581988), (2, 6290994), (3, 4193996), (4, 3145497), (6, 2096998), (12, 1048499), (53, 237396), (73, 172356), (106, 118698), (146, 86178), (159, 79132), (212, 59349), (219, 57452), (271, 46428), (292, 43089), (318, 39566), (438, 28726), (542, 23214), (636, 19783), (813, 15476), (876, 14363), (1084, 11607), (1626, 7738), (3252, 3869)]