171888275

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{587}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 248046624

約数和(自身を除く): 76158349

約数列:

[1, 5, 13, 17, 25, 53, 65, 85, 221, 265, 325, 425, 587, 689, 901, 1105, 1325, 2935, 3445, 4505, 5525, 7631, 9979, 11713, 14675, 17225, 22525, 31111, 38155, 49895, 58565, 129727, 155555, 190775, 249475, 292825, 404443, 528887, 648635, 777775, 2022215, 2644435, 3243175, 6875531, 10111075, 13222175, 34377655, 171888275]

約数ペア:

[(1, 171888275), (5, 34377655), (13, 13222175), (17, 10111075), (25, 6875531), (53, 3243175), (65, 2644435), (85, 2022215), (221, 777775), (265, 648635), (325, 528887), (425, 404443), (587, 292825), (689, 249475), (901, 190775), (1105, 155555), (1325, 129727), (2935, 58565), (3445, 49895), (4505, 38155), (5525, 31111), (7631, 22525), (9979, 17225), (11713, 14675)]