221736684

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1421389}}^1$

素因数の和:1421409

約数の個数: 24

約数和(自身を含む): 557184880

約数和(自身を除く): 335448196

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 1421389, 2842778, 4264167, 5685556, 8528334, 17056668, 18478057, 36956114, 55434171, 73912228, 110868342, 221736684]

約数ペア:

[(1, 221736684), (2, 110868342), (3, 73912228), (4, 55434171), (6, 36956114), (12, 18478057), (13, 17056668), (26, 8528334), (39, 5685556), (52, 4264167), (78, 2842778), (156, 1421389)]