28371785

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{251}}^1$

素因数の和:353

約数の個数: 32

約数和(自身を含む): 38610432

約数和(自身を除く): 10238647

約数列:

[1, 5, 13, 37, 47, 65, 185, 235, 251, 481, 611, 1255, 1739, 2405, 3055, 3263, 8695, 9287, 11797, 16315, 22607, 46435, 58985, 113035, 120731, 153361, 436489, 603655, 766805, 2182445, 5674357, 28371785]

約数ペア:

[(1, 28371785), (5, 5674357), (13, 2182445), (37, 766805), (47, 603655), (65, 436489), (185, 153361), (235, 120731), (251, 113035), (481, 58985), (611, 46435), (1255, 22607), (1739, 16315), (2405, 11797), (3055, 9287), (3263, 8695)]