71231125

素因数分解:

$5^3\times 7^1\times {\mathrm{127}}^1\times {\mathrm{641}}^1$

素因数の和:790

約数の個数: 32

約数和(自身を含む): 102555648

約数和(自身を除く): 31324523

約数列:

[1, 5, 7, 25, 35, 125, 127, 175, 635, 641, 875, 889, 3175, 3205, 4445, 4487, 15875, 16025, 22225, 22435, 80125, 81407, 111125, 112175, 407035, 560875, 569849, 2035175, 2849245, 10175875, 14246225, 71231125]

約数ペア:

[(1, 71231125), (5, 14246225), (7, 10175875), (25, 2849245), (35, 2035175), (125, 569849), (127, 560875), (175, 407035), (635, 112175), (641, 111125), (875, 81407), (889, 80125), (3175, 22435), (3205, 22225), (4445, 16025), (4487, 15875)]