40751618

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{317}}^1$

素因数の和:554

約数の個数: 32

約数和(自身を含む): 68688000

約数和(自身を除く): 27936382

約数列:

[1, 2, 17, 19, 34, 38, 199, 317, 323, 398, 634, 646, 3383, 3781, 5389, 6023, 6766, 7562, 10778, 12046, 63083, 64277, 102391, 126166, 128554, 204782, 1072411, 1198577, 2144822, 2397154, 20375809, 40751618]

約数ペア:

[(1, 40751618), (2, 20375809), (17, 2397154), (19, 2144822), (34, 1198577), (38, 1072411), (199, 204782), (317, 128554), (323, 126166), (398, 102391), (634, 64277), (646, 63083), (3383, 12046), (3781, 10778), (5389, 7562), (6023, 6766)]