12840464

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8819}}^1$

素因数の和:8847

約数の個数: 40

約数和(自身を含む): 30623040

約数和(自身を除く): 17782576

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 8819, 17638, 35276, 61733, 70552, 114647, 123466, 141104, 229294, 246932, 458588, 493864, 802529, 917176, 987728, 1605058, 1834352, 3210116, 6420232, 12840464]

約数ペア:

[(1, 12840464), (2, 6420232), (4, 3210116), (7, 1834352), (8, 1605058), (13, 987728), (14, 917176), (16, 802529), (26, 493864), (28, 458588), (52, 246932), (56, 229294), (91, 141104), (104, 123466), (112, 114647), (182, 70552), (208, 61733), (364, 35276), (728, 17638), (1456, 8819)]