31321367

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:387

約数の個数: 32

約数和(自身を含む): 41779200

約数和(自身を除く): 10457833

約数列:

[1, 7, 11, 19, 77, 79, 133, 209, 271, 553, 869, 1463, 1501, 1897, 2981, 5149, 6083, 10507, 16511, 20867, 21409, 36043, 56639, 115577, 149863, 235499, 396473, 406771, 1648493, 2847397, 4474481, 31321367]

約数ペア:

[(1, 31321367), (7, 4474481), (11, 2847397), (19, 1648493), (77, 406771), (79, 396473), (133, 235499), (209, 149863), (271, 115577), (553, 56639), (869, 36043), (1463, 21409), (1501, 20867), (1897, 16511), (2981, 10507), (5149, 6083)]