81394352

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{3463}}^1$

素因数の和:3597

約数の個数: 40

約数和(自身を含む): 171384864

約数和(自身を除く): 89990512

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 113, 208, 226, 452, 904, 1469, 1808, 2938, 3463, 5876, 6926, 11752, 13852, 23504, 27704, 45019, 55408, 90038, 180076, 360152, 391319, 720304, 782638, 1565276, 3130552, 5087147, 6261104, 10174294, 20348588, 40697176, 81394352]

約数ペア:

[(1, 81394352), (2, 40697176), (4, 20348588), (8, 10174294), (13, 6261104), (16, 5087147), (26, 3130552), (52, 1565276), (104, 782638), (113, 720304), (208, 391319), (226, 360152), (452, 180076), (904, 90038), (1469, 55408), (1808, 45019), (2938, 27704), (3463, 23504), (5876, 13852), (6926, 11752)]