86816275

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1231}}^1$

素因数の和:1292

約数の個数: 48

約数和(自身を含む): 136880128

約数和(自身を除く): 50063853

約数列:

[1, 5, 7, 13, 25, 31, 35, 65, 91, 155, 175, 217, 325, 403, 455, 775, 1085, 1231, 2015, 2275, 2821, 5425, 6155, 8617, 10075, 14105, 16003, 30775, 38161, 43085, 70525, 80015, 112021, 190805, 215425, 267127, 400075, 496093, 560105, 954025, 1335635, 2480465, 2800525, 3472651, 6678175, 12402325, 17363255, 86816275]

約数ペア:

[(1, 86816275), (5, 17363255), (7, 12402325), (13, 6678175), (25, 3472651), (31, 2800525), (35, 2480465), (65, 1335635), (91, 954025), (155, 560105), (175, 496093), (217, 400075), (325, 267127), (403, 215425), (455, 190805), (775, 112021), (1085, 80015), (1231, 70525), (2015, 43085), (2275, 38161), (2821, 30775), (5425, 16003), (6155, 14105), (8617, 10075)]