57130255

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{521}}^1$

素因数の和:787

約数の個数: 32

約数和(自身を含む): 84889728

約数和(自身を除く): 27759473

約数列:

[1, 5, 7, 13, 35, 65, 91, 241, 455, 521, 1205, 1687, 2605, 3133, 3647, 6773, 8435, 15665, 18235, 21931, 33865, 47411, 109655, 125561, 237055, 627805, 878927, 1632293, 4394635, 8161465, 11426051, 57130255]

約数ペア:

[(1, 57130255), (5, 11426051), (7, 8161465), (13, 4394635), (35, 1632293), (65, 878927), (91, 627805), (241, 237055), (455, 125561), (521, 109655), (1205, 47411), (1687, 33865), (2605, 21931), (3133, 18235), (3647, 15665), (6773, 8435)]