78239903

素因数分解:

$7^1\times {\mathrm{139}}^1\times {\mathrm{191}}^1\times {\mathrm{421}}^1$

素因数の和:758

約数の個数: 16

約数和(自身を含む): 90746880

約数和(自身を除く): 12506977

約数列:

[1, 7, 139, 191, 421, 973, 1337, 2947, 26549, 58519, 80411, 185843, 409633, 562877, 11177129, 78239903]

約数ペア:

[(1, 78239903), (7, 11177129), (139, 562877), (191, 409633), (421, 185843), (973, 80411), (1337, 58519), (2947, 26549)]