155394785

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{479}}^1$

素因数の和:558

約数の個数: 64

約数和(自身を含む): 247726080

約数和(自身を除く): 92331295

約数列:

[1, 5, 7, 13, 23, 31, 35, 65, 91, 115, 155, 161, 217, 299, 403, 455, 479, 713, 805, 1085, 1495, 2015, 2093, 2395, 2821, 3353, 3565, 4991, 6227, 9269, 10465, 11017, 14105, 14849, 16765, 24955, 31135, 43589, 46345, 55085, 64883, 74245, 77119, 103943, 143221, 193037, 217945, 324415, 341527, 385595, 519715, 716105, 965185, 1002547, 1351259, 1707635, 2390689, 4439851, 5012735, 6756295, 11953445, 22199255, 31078957, 155394785]

約数ペア:

[(1, 155394785), (5, 31078957), (7, 22199255), (13, 11953445), (23, 6756295), (31, 5012735), (35, 4439851), (65, 2390689), (91, 1707635), (115, 1351259), (155, 1002547), (161, 965185), (217, 716105), (299, 519715), (403, 385595), (455, 341527), (479, 324415), (713, 217945), (805, 193037), (1085, 143221), (1495, 103943), (2015, 77119), (2093, 74245), (2395, 64883), (2821, 55085), (3353, 46345), (3565, 43589), (4991, 31135), (6227, 24955), (9269, 16765), (10465, 14849), (11017, 14105)]