16660105

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{397}}^1$

素因数の和:529

約数の個数: 32

約数和(自身を含む): 25217280

約数和(自身を除く): 8557175

約数列:

[1, 5, 7, 11, 35, 55, 77, 109, 385, 397, 545, 763, 1199, 1985, 2779, 3815, 4367, 5995, 8393, 13895, 21835, 30569, 41965, 43273, 152845, 216365, 302911, 476003, 1514555, 2380015, 3332021, 16660105]

約数ペア:

[(1, 16660105), (5, 3332021), (7, 2380015), (11, 1514555), (35, 476003), (55, 302911), (77, 216365), (109, 152845), (385, 43273), (397, 41965), (545, 30569), (763, 21835), (1199, 13895), (1985, 8393), (2779, 5995), (3815, 4367)]