40207154

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{409}}^1$

素因数の和:642

約数の個数: 32

約数和(自身を含む): 68880000

約数和(自身を除く): 28672846

約数列:

[1, 2, 13, 19, 26, 38, 199, 247, 398, 409, 494, 818, 2587, 3781, 5174, 5317, 7562, 7771, 10634, 15542, 49153, 81391, 98306, 101023, 162782, 202046, 1058083, 1546429, 2116166, 3092858, 20103577, 40207154]

約数ペア:

[(1, 40207154), (2, 20103577), (13, 3092858), (19, 2116166), (26, 1546429), (38, 1058083), (199, 202046), (247, 162782), (398, 101023), (409, 98306), (494, 81391), (818, 49153), (2587, 15542), (3781, 10634), (5174, 7771), (5317, 7562)]