128627525

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{751}}^1$

素因数の和:822

約数の個数: 48

約数和(自身を含む): 187987968

約数和(自身を除く): 59360443

約数列:

[1, 5, 13, 17, 25, 31, 65, 85, 155, 221, 325, 403, 425, 527, 751, 775, 1105, 2015, 2635, 3755, 5525, 6851, 9763, 10075, 12767, 13175, 18775, 23281, 34255, 48815, 63835, 116405, 165971, 171275, 244075, 302653, 319175, 395777, 582025, 829855, 1513265, 1978885, 4149275, 5145101, 7566325, 9894425, 25725505, 128627525]

約数ペア:

[(1, 128627525), (5, 25725505), (13, 9894425), (17, 7566325), (25, 5145101), (31, 4149275), (65, 1978885), (85, 1513265), (155, 829855), (221, 582025), (325, 395777), (403, 319175), (425, 302653), (527, 244075), (751, 171275), (775, 165971), (1105, 116405), (2015, 63835), (2635, 48815), (3755, 34255), (5525, 23281), (6851, 18775), (9763, 13175), (10075, 12767)]