642289718

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{12511}}^1$

素因数の和:12732

約数の個数: 32

約数和(自身を含む): 1165117440

約数和(自身を除く): 522827722

約数列:

[1, 2, 7, 14, 19, 38, 133, 193, 266, 386, 1351, 2702, 3667, 7334, 12511, 25022, 25669, 51338, 87577, 175154, 237709, 475418, 1663963, 2414623, 3327926, 4829246, 16902361, 33804722, 45877837, 91755674, 321144859, 642289718]

約数ペア:

[(1, 642289718), (2, 321144859), (7, 91755674), (14, 45877837), (19, 33804722), (38, 16902361), (133, 4829246), (193, 3327926), (266, 2414623), (386, 1663963), (1351, 475418), (2702, 237709), (3667, 175154), (7334, 87577), (12511, 51338), (25022, 25669)]