393660449

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{227}}^1$

素因数の和:342

約数の個数: 64

約数和(自身を含む): 551577600

約数和(自身を除く): 157917151

約数列:

[1, 7, 13, 17, 19, 59, 91, 119, 133, 221, 227, 247, 323, 413, 767, 1003, 1121, 1547, 1589, 1729, 2261, 2951, 3859, 4199, 4313, 5369, 7021, 7847, 13039, 13393, 14573, 19057, 20657, 27013, 29393, 30191, 50167, 56069, 73321, 91273, 93751, 102011, 133399, 174109, 227681, 247741, 254467, 351169, 392483, 513247, 953173, 1218763, 1593767, 1734187, 1781269, 2959853, 3308071, 4325939, 6672211, 20718971, 23156497, 30281573, 56237207, 393660449]

約数ペア:

[(1, 393660449), (7, 56237207), (13, 30281573), (17, 23156497), (19, 20718971), (59, 6672211), (91, 4325939), (119, 3308071), (133, 2959853), (221, 1781269), (227, 1734187), (247, 1593767), (323, 1218763), (413, 953173), (767, 513247), (1003, 392483), (1121, 351169), (1547, 254467), (1589, 247741), (1729, 227681), (2261, 174109), (2951, 133399), (3859, 102011), (4199, 93751), (4313, 91273), (5369, 73321), (7021, 56069), (7847, 50167), (13039, 30191), (13393, 29393), (14573, 27013), (19057, 20657)]