257096330

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^3\times {\mathrm{863}}^1$

素因数の和:963

約数の個数: 32

約数和(自身を含む): 478752768

約数和(自身を除く): 221656438

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 863, 961, 1726, 1922, 4315, 4805, 8630, 9610, 26753, 29791, 53506, 59582, 133765, 148955, 267530, 297910, 829343, 1658686, 4146715, 8293430, 25709633, 51419266, 128548165, 257096330]

約数ペア:

[(1, 257096330), (2, 128548165), (5, 51419266), (10, 25709633), (31, 8293430), (62, 4146715), (155, 1658686), (310, 829343), (863, 297910), (961, 267530), (1726, 148955), (1922, 133765), (4315, 59582), (4805, 53506), (8630, 29791), (9610, 26753)]