256715810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{6833}}^1$

素因数の和:6887

約数の個数: 48

約数和(自身を含む): 528705576

約数和(自身を除く): 271989766

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 289, 442, 578, 1105, 1445, 2210, 2890, 3757, 6833, 7514, 13666, 18785, 34165, 37570, 68330, 88829, 116161, 177658, 232322, 444145, 580805, 888290, 1161610, 1510093, 1974737, 3020186, 3949474, 7550465, 9873685, 15100930, 19747370, 25671581, 51343162, 128357905, 256715810]

約数ペア:

[(1, 256715810), (2, 128357905), (5, 51343162), (10, 25671581), (13, 19747370), (17, 15100930), (26, 9873685), (34, 7550465), (65, 3949474), (85, 3020186), (130, 1974737), (170, 1510093), (221, 1161610), (289, 888290), (442, 580805), (578, 444145), (1105, 232322), (1445, 177658), (2210, 116161), (2890, 88829), (3757, 68330), (6833, 37570), (7514, 34165), (13666, 18785)]