12680008

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1619}}^1$

素因数の和:1725

約数の個数: 32

約数和(自身を含む): 26244000

約数和(自身を除く): 13563992

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 89, 178, 356, 712, 979, 1619, 1958, 3238, 3916, 6476, 7832, 12952, 17809, 35618, 71236, 142472, 144091, 288182, 576364, 1152728, 1585001, 3170002, 6340004, 12680008]

約数ペア:

[(1, 12680008), (2, 6340004), (4, 3170002), (8, 1585001), (11, 1152728), (22, 576364), (44, 288182), (88, 144091), (89, 142472), (178, 71236), (356, 35618), (712, 17809), (979, 12952), (1619, 7832), (1958, 6476), (3238, 3916)]