78001756

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1\times {\mathrm{197}}^1$

素因数の和:466

約数の個数: 48

約数和(自身を含む): 159667200

約数和(自身を除く): 81665444

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 179, 197, 316, 358, 394, 553, 716, 788, 1106, 1253, 1379, 2212, 2506, 2758, 5012, 5516, 14141, 15563, 28282, 31126, 35263, 56564, 62252, 70526, 98987, 108941, 141052, 197974, 217882, 246841, 395948, 435764, 493682, 987364, 2785777, 5571554, 11143108, 19500439, 39000878, 78001756]

約数ペア:

[(1, 78001756), (2, 39000878), (4, 19500439), (7, 11143108), (14, 5571554), (28, 2785777), (79, 987364), (158, 493682), (179, 435764), (197, 395948), (316, 246841), (358, 217882), (394, 197974), (553, 141052), (716, 108941), (788, 98987), (1106, 70526), (1253, 62252), (1379, 56564), (2212, 35263), (2506, 31126), (2758, 28282), (5012, 15563), (5516, 14141)]