157211428

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{6911}}^1$

素因数の和:6984

約数の個数: 36

約数和(自身を含む): 308883456

約数和(自身を除く): 151672028

約数列:

[1, 2, 4, 11, 22, 44, 47, 94, 121, 188, 242, 484, 517, 1034, 2068, 5687, 6911, 11374, 13822, 22748, 27644, 76021, 152042, 304084, 324817, 649634, 836231, 1299268, 1672462, 3344924, 3572987, 7145974, 14291948, 39302857, 78605714, 157211428]

約数ペア:

[(1, 157211428), (2, 78605714), (4, 39302857), (11, 14291948), (22, 7145974), (44, 3572987), (47, 3344924), (94, 1672462), (121, 1299268), (188, 836231), (242, 649634), (484, 324817), (517, 304084), (1034, 152042), (2068, 76021), (5687, 27644), (6911, 22748), (11374, 13822)]