128791856

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{3557}}^1$

素因数の和:3669

約数の個数: 40

約数和(自身を含む): 261185664

約数和(自身を除く): 132393808

約数列:

[1, 2, 4, 8, 16, 31, 62, 73, 124, 146, 248, 292, 496, 584, 1168, 2263, 3557, 4526, 7114, 9052, 14228, 18104, 28456, 36208, 56912, 110267, 220534, 259661, 441068, 519322, 882136, 1038644, 1764272, 2077288, 4154576, 8049491, 16098982, 32197964, 64395928, 128791856]

約数ペア:

[(1, 128791856), (2, 64395928), (4, 32197964), (8, 16098982), (16, 8049491), (31, 4154576), (62, 2077288), (73, 1764272), (124, 1038644), (146, 882136), (248, 519322), (292, 441068), (496, 259661), (584, 220534), (1168, 110267), (2263, 56912), (3557, 36208), (4526, 28456), (7114, 18104), (9052, 14228)]