16487705

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{347}}^1$

素因数の和:425

約数の個数: 32

約数和(自身を含む): 23151744

約数和(自身を除く): 6664039

約数列:

[1, 5, 13, 17, 43, 65, 85, 215, 221, 347, 559, 731, 1105, 1735, 2795, 3655, 4511, 5899, 9503, 14921, 22555, 29495, 47515, 74605, 76687, 193973, 253657, 383435, 969865, 1268285, 3297541, 16487705]

約数ペア:

[(1, 16487705), (5, 3297541), (13, 1268285), (17, 969865), (43, 383435), (65, 253657), (85, 193973), (215, 76687), (221, 74605), (347, 47515), (559, 29495), (731, 22555), (1105, 14921), (1735, 9503), (2795, 5899), (3655, 4511)]