30193261

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1$

素因数の和:194

約数の個数: 32

約数和(自身を含む): 38304000

約数和(自身を除く): 8110739

約数列:

[1, 7, 19, 41, 49, 113, 133, 287, 343, 779, 791, 931, 2009, 2147, 4633, 5453, 5537, 6517, 14063, 15029, 32431, 38171, 38759, 88027, 105203, 227017, 267197, 616189, 736421, 1589119, 4313323, 30193261]

約数ペア:

[(1, 30193261), (7, 4313323), (19, 1589119), (41, 736421), (49, 616189), (113, 267197), (133, 227017), (287, 105203), (343, 88027), (779, 38759), (791, 38171), (931, 32431), (2009, 15029), (2147, 14063), (4633, 6517), (5453, 5537)]