28185190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{997}}^1$

素因数の和:1272

約数の個数: 32

約数和(自身を含む): 55616544

約数和(自身を除く): 27431354

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 257, 514, 997, 1285, 1994, 2570, 2827, 4985, 5654, 9970, 10967, 14135, 21934, 28270, 54835, 109670, 256229, 512458, 1281145, 2562290, 2818519, 5637038, 14092595, 28185190]

約数ペア:

[(1, 28185190), (2, 14092595), (5, 5637038), (10, 2818519), (11, 2562290), (22, 1281145), (55, 512458), (110, 256229), (257, 109670), (514, 54835), (997, 28270), (1285, 21934), (1994, 14135), (2570, 10967), (2827, 9970), (4985, 5654)]