738938879

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{397}}^1$

素因数の和:659

約数の個数: 32

約数和(自身を含む): 897505920

約数和(自身を除く): 158567041

約数列:

[1, 7, 29, 53, 173, 203, 371, 397, 1211, 1537, 2779, 5017, 9169, 10759, 11513, 21041, 35119, 64183, 68681, 80591, 147287, 265901, 480767, 610189, 1861307, 1991749, 3640093, 4271323, 13942243, 25480651, 105562697, 738938879]

約数ペア:

[(1, 738938879), (7, 105562697), (29, 25480651), (53, 13942243), (173, 4271323), (203, 3640093), (371, 1991749), (397, 1861307), (1211, 610189), (1537, 480767), (2779, 265901), (5017, 147287), (9169, 80591), (10759, 68681), (11513, 64183), (21041, 35119)]