17790955

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{641}}^1$

素因数の和:727

約数の個数: 32

約数和(自身を含む): 26748288

約数和(自身を除く): 8957333

約数列:

[1, 5, 7, 13, 35, 61, 65, 91, 305, 427, 455, 641, 793, 2135, 3205, 3965, 4487, 5551, 8333, 22435, 27755, 39101, 41665, 58331, 195505, 273707, 291655, 508313, 1368535, 2541565, 3558191, 17790955]

約数ペア:

[(1, 17790955), (5, 3558191), (7, 2541565), (13, 1368535), (35, 508313), (61, 291655), (65, 273707), (91, 195505), (305, 58331), (427, 41665), (455, 39101), (641, 27755), (793, 22435), (2135, 8333), (3205, 5551), (3965, 4487)]