16381625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{593}}^1$

素因数の和:638

約数の個数: 32

約数和(自身を含む): 23351328

約数和(自身を除く): 6969703

約数列:

[1, 5, 13, 17, 25, 65, 85, 125, 221, 325, 425, 593, 1105, 1625, 2125, 2965, 5525, 7709, 10081, 14825, 27625, 38545, 50405, 74125, 131053, 192725, 252025, 655265, 963625, 1260125, 3276325, 16381625]

約数ペア:

[(1, 16381625), (5, 3276325), (13, 1260125), (17, 963625), (25, 655265), (65, 252025), (85, 192725), (125, 131053), (221, 74125), (325, 50405), (425, 38545), (593, 27625), (1105, 14825), (1625, 10081), (2125, 7709), (2965, 5525)]