15640748

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{3433}}^1$

素因数の和:3521

約数の個数: 24

約数和(自身を含む): 29422512

約数和(自身を除く): 13781764

約数列:

[1, 2, 4, 17, 34, 67, 68, 134, 268, 1139, 2278, 3433, 4556, 6866, 13732, 58361, 116722, 230011, 233444, 460022, 920044, 3910187, 7820374, 15640748]

約数ペア:

[(1, 15640748), (2, 7820374), (4, 3910187), (17, 920044), (34, 460022), (67, 233444), (68, 230011), (134, 116722), (268, 58361), (1139, 13732), (2278, 6866), (3433, 4556)]