1213304945

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{209371}}^1$

素因数の和:209456

約数の個数: 16

約数和(自身を含む): 1557727680

約数和(自身を除く): 344422735

約数列:

[1, 5, 19, 61, 95, 305, 1159, 5795, 209371, 1046855, 3978049, 12771631, 19890245, 63858155, 242660989, 1213304945]

約数ペア:

[(1, 1213304945), (5, 242660989), (19, 63858155), (61, 19890245), (95, 12771631), (305, 3978049), (1159, 1046855), (5795, 209371)]