17491994

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{269}}^1$

素因数の和:386

約数の個数: 32

約数和(自身を含む): 29529360

約数和(自身を除く): 12037366

約数列:

[1, 2, 13, 26, 41, 61, 82, 122, 269, 533, 538, 793, 1066, 1586, 2501, 3497, 5002, 6994, 11029, 16409, 22058, 32513, 32818, 65026, 143377, 213317, 286754, 426634, 672769, 1345538, 8745997, 17491994]

約数ペア:

[(1, 17491994), (2, 8745997), (13, 1345538), (26, 672769), (41, 426634), (61, 286754), (82, 213317), (122, 143377), (269, 65026), (533, 32818), (538, 32513), (793, 22058), (1066, 16409), (1586, 11029), (2501, 6994), (3497, 5002)]