31220245

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{383}}^1$

素因数の和:549

約数の個数: 32

約数和(自身を含む): 45785088

約数和(自身を除く): 14564843

約数列:

[1, 5, 7, 17, 35, 85, 119, 137, 383, 595, 685, 959, 1915, 2329, 2681, 4795, 6511, 11645, 13405, 16303, 32555, 45577, 52471, 81515, 227885, 262355, 367297, 892007, 1836485, 4460035, 6244049, 31220245]

約数ペア:

[(1, 31220245), (5, 6244049), (7, 4460035), (17, 1836485), (35, 892007), (85, 367297), (119, 262355), (137, 227885), (383, 81515), (595, 52471), (685, 45577), (959, 32555), (1915, 16303), (2329, 13405), (2681, 11645), (4795, 6511)]