417008

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{389}}^1$

素因数の和:464

約数の個数: 20

約数和(自身を含む): 822120

約数和(自身を除く): 405112

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 389, 536, 778, 1072, 1556, 3112, 6224, 26063, 52126, 104252, 208504, 417008]

約数ペア:

[(1, 417008), (2, 208504), (4, 104252), (8, 52126), (16, 26063), (67, 6224), (134, 3112), (268, 1556), (389, 1072), (536, 778)]