78788515

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{641}}^1$

素因数の和:751

約数の個数: 32

約数和(自身を含む): 106993152

約数和(自身を除く): 28204637

約数列:

[1, 5, 13, 31, 61, 65, 155, 305, 403, 641, 793, 1891, 2015, 3205, 3965, 8333, 9455, 19871, 24583, 39101, 41665, 99355, 122915, 195505, 258323, 508313, 1212131, 1291615, 2541565, 6060655, 15757703, 78788515]

約数ペア:

[(1, 78788515), (5, 15757703), (13, 6060655), (31, 2541565), (61, 1291615), (65, 1212131), (155, 508313), (305, 258323), (403, 195505), (641, 122915), (793, 99355), (1891, 41665), (2015, 39101), (3205, 24583), (3965, 19871), (8333, 9455)]