81340844

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{577}}^1\times {\mathrm{2711}}^1$

素因数の和:3305

約数の個数: 24

約数和(自身を含む): 153618528

約数和(自身を除く): 72277684

約数列:

[1, 2, 4, 13, 26, 52, 577, 1154, 2308, 2711, 5422, 7501, 10844, 15002, 30004, 35243, 70486, 140972, 1564247, 3128494, 6256988, 20335211, 40670422, 81340844]

約数ペア:

[(1, 81340844), (2, 40670422), (4, 20335211), (13, 6256988), (26, 3128494), (52, 1564247), (577, 140972), (1154, 70486), (2308, 35243), (2711, 30004), (5422, 15002), (7501, 10844)]