256236484

素因数分解:

$2^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{30403}}^1$

素因数の和:30464

約数の個数: 36

約数和(自身を含む): 533772624

約数和(自身を除く): 277536140

約数列:

[1, 2, 4, 7, 14, 28, 43, 49, 86, 98, 172, 196, 301, 602, 1204, 2107, 4214, 8428, 30403, 60806, 121612, 212821, 425642, 851284, 1307329, 1489747, 2614658, 2979494, 5229316, 5958988, 9151303, 18302606, 36605212, 64059121, 128118242, 256236484]

約数ペア:

[(1, 256236484), (2, 128118242), (4, 64059121), (7, 36605212), (14, 18302606), (28, 9151303), (43, 5958988), (49, 5229316), (86, 2979494), (98, 2614658), (172, 1489747), (196, 1307329), (301, 851284), (602, 425642), (1204, 212821), (2107, 121612), (4214, 60806), (8428, 30403)]