12781644848

素因数分解:

$2^4\times 7^1\times {\mathrm{131}}^1\times {\mathrm{871159}}^1$

素因数の和:871305

約数の個数: 40

約数和(自身を含む): 28518293760

約数和(自身を除く): 15736648912

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 131, 262, 524, 917, 1048, 1834, 2096, 3668, 7336, 14672, 871159, 1742318, 3484636, 6098113, 6969272, 12196226, 13938544, 24392452, 48784904, 97569808, 114121829, 228243658, 456487316, 798852803, 912974632, 1597705606, 1825949264, 3195411212, 6390822424, 12781644848]

約数ペア:

[(1, 12781644848), (2, 6390822424), (4, 3195411212), (7, 1825949264), (8, 1597705606), (14, 912974632), (16, 798852803), (28, 456487316), (56, 228243658), (112, 114121829), (131, 97569808), (262, 48784904), (524, 24392452), (917, 13938544), (1048, 12196226), (1834, 6969272), (2096, 6098113), (3668, 3484636), (7336, 1742318), (14672, 871159)]