31997168

素因数分解:

$2^4\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2621}}^1$

素因数の和:2745

約数の個数: 40

約数和(自身を含む): 71528160

約数和(自身を除く): 39530992

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 109, 112, 218, 436, 763, 872, 1526, 1744, 2621, 3052, 5242, 6104, 10484, 12208, 18347, 20968, 36694, 41936, 73388, 146776, 285689, 293552, 571378, 1142756, 1999823, 2285512, 3999646, 4571024, 7999292, 15998584, 31997168]

約数ペア:

[(1, 31997168), (2, 15998584), (4, 7999292), (7, 4571024), (8, 3999646), (14, 2285512), (16, 1999823), (28, 1142756), (56, 571378), (109, 293552), (112, 285689), (218, 146776), (436, 73388), (763, 41936), (872, 36694), (1526, 20968), (1744, 18347), (2621, 12208), (3052, 10484), (5242, 6104)]