11212945

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:225

約数の個数: 32

約数和(自身を含む): 15396480

約数和(自身を除く): 4183535

約数列:

[1, 5, 17, 19, 53, 85, 95, 131, 265, 323, 655, 901, 1007, 1615, 2227, 2489, 4505, 5035, 6943, 11135, 12445, 17119, 34715, 42313, 85595, 118031, 131917, 211565, 590155, 659585, 2242589, 11212945]

約数ペア:

[(1, 11212945), (5, 2242589), (17, 659585), (19, 590155), (53, 211565), (85, 131917), (95, 118031), (131, 85595), (265, 42313), (323, 34715), (655, 17119), (901, 12445), (1007, 11135), (1615, 6943), (2227, 5035), (2489, 4505)]