12990484

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1907}}^1$

素因数の和:2055

約数の個数: 24

約数和(自身を含む): 24681888

約数和(自身を除く): 11691404

約数列:

[1, 2, 4, 13, 26, 52, 131, 262, 524, 1703, 1907, 3406, 3814, 6812, 7628, 24791, 49582, 99164, 249817, 499634, 999268, 3247621, 6495242, 12990484]

約数ペア:

[(1, 12990484), (2, 6495242), (4, 3247621), (13, 999268), (26, 499634), (52, 249817), (131, 99164), (262, 49582), (524, 24791), (1703, 7628), (1907, 6812), (3406, 3814)]