15821728

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{521}}^1$

素因数の和:617

約数の個数: 48

約数和(自身を含む): 34069896

約数和(自身を除く): 18248168

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 73, 104, 146, 208, 292, 416, 521, 584, 949, 1042, 1168, 1898, 2084, 2336, 3796, 4168, 6773, 7592, 8336, 13546, 15184, 16672, 27092, 30368, 38033, 54184, 76066, 108368, 152132, 216736, 304264, 494429, 608528, 988858, 1217056, 1977716, 3955432, 7910864, 15821728]

約数ペア:

[(1, 15821728), (2, 7910864), (4, 3955432), (8, 1977716), (13, 1217056), (16, 988858), (26, 608528), (32, 494429), (52, 304264), (73, 216736), (104, 152132), (146, 108368), (208, 76066), (292, 54184), (416, 38033), (521, 30368), (584, 27092), (949, 16672), (1042, 15184), (1168, 13546), (1898, 8336), (2084, 7592), (2336, 6773), (3796, 4168)]