890268925

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{797}}^1$

素因数の和:1318

約数の個数: 48

約数和(自身を含む): 1363162752

約数和(自身を除く): 472893827

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 325, 455, 491, 797, 2275, 2455, 3437, 3985, 5579, 6383, 10361, 12275, 17185, 19925, 27895, 31915, 44681, 51805, 72527, 85925, 139475, 159575, 223405, 259025, 362635, 391327, 1117025, 1813175, 1956635, 2739289, 5087251, 9783175, 13696445, 25436255, 35610757, 68482225, 127181275, 178053785, 890268925]

約数ペア:

[(1, 890268925), (5, 178053785), (7, 127181275), (13, 68482225), (25, 35610757), (35, 25436255), (65, 13696445), (91, 9783175), (175, 5087251), (325, 2739289), (455, 1956635), (491, 1813175), (797, 1117025), (2275, 391327), (2455, 362635), (3437, 259025), (3985, 223405), (5579, 159575), (6383, 139475), (10361, 85925), (12275, 72527), (17185, 51805), (19925, 44681), (27895, 31915)]