312819988

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{38317}}^1$

素因数の和:38491

約数の個数: 24

約数和(自身を含む): 593315912

約数和(自身を除く): 280495924

約数列:

[1, 2, 4, 13, 26, 52, 157, 314, 628, 2041, 4082, 8164, 38317, 76634, 153268, 498121, 996242, 1992484, 6015769, 12031538, 24063076, 78204997, 156409994, 312819988]

約数ペア:

[(1, 312819988), (2, 156409994), (4, 78204997), (13, 24063076), (26, 12031538), (52, 6015769), (157, 1992484), (314, 996242), (628, 498121), (2041, 153268), (4082, 76634), (8164, 38317)]