127991708

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{2161}}^1$

素因数の和:2262

約数の個数: 48

約数和(自身を含む): 259336224

約数和(自身を除く): 131344516

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 67, 68, 134, 221, 268, 442, 871, 884, 1139, 1742, 2161, 2278, 3484, 4322, 4556, 8644, 14807, 28093, 29614, 36737, 56186, 59228, 73474, 112372, 144787, 146948, 289574, 477581, 579148, 955162, 1882231, 1910324, 2461379, 3764462, 4922758, 7528924, 9845516, 31997927, 63995854, 127991708]

約数ペア:

[(1, 127991708), (2, 63995854), (4, 31997927), (13, 9845516), (17, 7528924), (26, 4922758), (34, 3764462), (52, 2461379), (67, 1910324), (68, 1882231), (134, 955162), (221, 579148), (268, 477581), (442, 289574), (871, 146948), (884, 144787), (1139, 112372), (1742, 73474), (2161, 59228), (2278, 56186), (3484, 36737), (4322, 29614), (4556, 28093), (8644, 14807)]