639398430

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{645857}}^1$

素因数の和:645881

約数の個数: 48

約数和(自身を含む): 1813569264

約数和(自身を除く): 1174170834

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 645857, 1291714, 1937571, 3229285, 3875142, 5812713, 6458570, 7104427, 9687855, 11625426, 14208854, 19375710, 21313281, 29063565, 35522135, 42626562, 58127130, 63939843, 71044270, 106566405, 127879686, 213132810, 319699215, 639398430]

約数ペア:

[(1, 639398430), (2, 319699215), (3, 213132810), (5, 127879686), (6, 106566405), (9, 71044270), (10, 63939843), (11, 58127130), (15, 42626562), (18, 35522135), (22, 29063565), (30, 21313281), (33, 19375710), (45, 14208854), (55, 11625426), (66, 9687855), (90, 7104427), (99, 6458570), (110, 5812713), (165, 3875142), (198, 3229285), (330, 1937571), (495, 1291714), (990, 645857)]