287527885

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{811}}^1$

素因数の和:973

約数の個数: 32

約数和(自身を含む): 378145152

約数和(自身を除く): 90617267

約数列:

[1, 5, 17, 43, 85, 97, 215, 485, 731, 811, 1649, 3655, 4055, 4171, 8245, 13787, 20855, 34873, 68935, 70907, 78667, 174365, 354535, 393335, 592841, 1337339, 2964205, 3382681, 6686695, 16913405, 57505577, 287527885]

約数ペア:

[(1, 287527885), (5, 57505577), (17, 16913405), (43, 6686695), (85, 3382681), (97, 2964205), (215, 1337339), (485, 592841), (731, 393335), (811, 354535), (1649, 174365), (3655, 78667), (4055, 70907), (4171, 68935), (8245, 34873), (13787, 20855)]