15620704

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{223}}^1$

素因数の和:443

約数の個数: 48

約数和(自身を含む): 33868800

約数和(自身を除く): 18248096

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 199, 223, 352, 398, 446, 796, 892, 1592, 1784, 2189, 2453, 3184, 3568, 4378, 4906, 6368, 7136, 8756, 9812, 17512, 19624, 35024, 39248, 44377, 70048, 78496, 88754, 177508, 355016, 488147, 710032, 976294, 1420064, 1952588, 3905176, 7810352, 15620704]

約数ペア:

[(1, 15620704), (2, 7810352), (4, 3905176), (8, 1952588), (11, 1420064), (16, 976294), (22, 710032), (32, 488147), (44, 355016), (88, 177508), (176, 88754), (199, 78496), (223, 70048), (352, 44377), (398, 39248), (446, 35024), (796, 19624), (892, 17512), (1592, 9812), (1784, 8756), (2189, 7136), (2453, 6368), (3184, 4906), (3568, 4378)]