16253965

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{257}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 24272640

約数和(自身を除く): 8018675

約数列:

[1, 5, 7, 13, 35, 65, 91, 139, 257, 455, 695, 973, 1285, 1799, 1807, 3341, 4865, 8995, 9035, 12649, 16705, 23387, 35723, 63245, 116935, 178615, 250061, 464399, 1250305, 2321995, 3250793, 16253965]

約数ペア:

[(1, 16253965), (5, 3250793), (7, 2321995), (13, 1250305), (35, 464399), (65, 250061), (91, 178615), (139, 116935), (257, 63245), (455, 35723), (695, 23387), (973, 16705), (1285, 12649), (1799, 9035), (1807, 8995), (3341, 4865)]