128907436

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{22679}}^1$

素因数の和:22726

約数の個数: 36

約数和(自身を含む): 271479600

約数和(自身を除く): 142572164

約数列:

[1, 2, 4, 7, 14, 28, 29, 49, 58, 98, 116, 196, 203, 406, 812, 1421, 2842, 5684, 22679, 45358, 90716, 158753, 317506, 635012, 657691, 1111271, 1315382, 2222542, 2630764, 4445084, 4603837, 9207674, 18415348, 32226859, 64453718, 128907436]

約数ペア:

[(1, 128907436), (2, 64453718), (4, 32226859), (7, 18415348), (14, 9207674), (28, 4603837), (29, 4445084), (49, 2630764), (58, 2222542), (98, 1315382), (116, 1111271), (196, 657691), (203, 635012), (406, 317506), (812, 158753), (1421, 90716), (2842, 45358), (5684, 22679)]