81469216

素因数分解:

$2^5\times {\mathrm{109}}^1\times {\mathrm{23357}}^1$

素因数の和:23476

約数の個数: 24

約数和(自身を含む): 161870940

約数和(自身を除く): 80401724

約数列:

[1, 2, 4, 8, 16, 32, 109, 218, 436, 872, 1744, 3488, 23357, 46714, 93428, 186856, 373712, 747424, 2545913, 5091826, 10183652, 20367304, 40734608, 81469216]

約数ペア:

[(1, 81469216), (2, 40734608), (4, 20367304), (8, 10183652), (16, 5091826), (32, 2545913), (109, 747424), (218, 373712), (436, 186856), (872, 93428), (1744, 46714), (3488, 23357)]