128919908

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{3557}}^1$

素因数の和:3632

約数の個数: 48

約数和(自身を含む): 263605104

約数和(自身を除く): 134685196

約数列:

[1, 2, 4, 13, 17, 26, 34, 41, 52, 68, 82, 164, 221, 442, 533, 697, 884, 1066, 1394, 2132, 2788, 3557, 7114, 9061, 14228, 18122, 36244, 46241, 60469, 92482, 120938, 145837, 184964, 241876, 291674, 583348, 786097, 1572194, 1895881, 2479229, 3144388, 3791762, 4958458, 7583524, 9916916, 32229977, 64459954, 128919908]

約数ペア:

[(1, 128919908), (2, 64459954), (4, 32229977), (13, 9916916), (17, 7583524), (26, 4958458), (34, 3791762), (41, 3144388), (52, 2479229), (68, 1895881), (82, 1572194), (164, 786097), (221, 583348), (442, 291674), (533, 241876), (697, 184964), (884, 145837), (1066, 120938), (1394, 92482), (2132, 60469), (2788, 46241), (3557, 36244), (7114, 18122), (9061, 14228)]