280582705

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{8191}}^1$

素因数の和:8257

約数の個数: 32

約数和(自身を含む): 396361728

約数和(自身を除く): 115779023

約数列:

[1, 5, 13, 17, 31, 65, 85, 155, 221, 403, 527, 1105, 2015, 2635, 6851, 8191, 34255, 40955, 106483, 139247, 253921, 532415, 696235, 1269605, 1810211, 3300973, 4316657, 9051055, 16504865, 21583285, 56116541, 280582705]

約数ペア:

[(1, 280582705), (5, 56116541), (13, 21583285), (17, 16504865), (31, 9051055), (65, 4316657), (85, 3300973), (155, 1810211), (221, 1269605), (403, 696235), (527, 532415), (1105, 253921), (2015, 139247), (2635, 106483), (6851, 40955), (8191, 34255)]