12881968

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1381}}^1$

素因数の和:1453

約数の個数: 40

約数和(自身を含む): 27761616

約数和(自身を除く): 14879648

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 53, 88, 106, 176, 212, 424, 583, 848, 1166, 1381, 2332, 2762, 4664, 5524, 9328, 11048, 15191, 22096, 30382, 60764, 73193, 121528, 146386, 243056, 292772, 585544, 805123, 1171088, 1610246, 3220492, 6440984, 12881968]

約数ペア:

[(1, 12881968), (2, 6440984), (4, 3220492), (8, 1610246), (11, 1171088), (16, 805123), (22, 585544), (44, 292772), (53, 243056), (88, 146386), (106, 121528), (176, 73193), (212, 60764), (424, 30382), (583, 22096), (848, 15191), (1166, 11048), (1381, 9328), (2332, 5524), (2762, 4664)]