79307725

素因数分解:

$5^2\times 7^2\times {\mathrm{101}}^1\times {\mathrm{641}}^1$

素因数の和:766

約数の個数: 36

約数和(自身を含む): 115710228

約数和(自身を除く): 36402503

約数列:

[1, 5, 7, 25, 35, 49, 101, 175, 245, 505, 641, 707, 1225, 2525, 3205, 3535, 4487, 4949, 16025, 17675, 22435, 24745, 31409, 64741, 112175, 123725, 157045, 323705, 453187, 785225, 1618525, 2265935, 3172309, 11329675, 15861545, 79307725]

約数ペア:

[(1, 79307725), (5, 15861545), (7, 11329675), (25, 3172309), (35, 2265935), (49, 1618525), (101, 785225), (175, 453187), (245, 323705), (505, 157045), (641, 123725), (707, 112175), (1225, 64741), (2525, 31409), (3205, 24745), (3535, 22435), (4487, 17675), (4949, 16025)]