129121790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{647}}^1\times {\mathrm{2851}}^1$

素因数の和:3512

約数の個数: 32

約数和(自身を含む): 266125824

約数和(自身を除く): 137004034

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 647, 1294, 2851, 3235, 4529, 5702, 6470, 9058, 14255, 19957, 22645, 28510, 39914, 45290, 99785, 199570, 1844597, 3689194, 9222985, 12912179, 18445970, 25824358, 64560895, 129121790]

約数ペア:

[(1, 129121790), (2, 64560895), (5, 25824358), (7, 18445970), (10, 12912179), (14, 9222985), (35, 3689194), (70, 1844597), (647, 199570), (1294, 99785), (2851, 45290), (3235, 39914), (4529, 28510), (5702, 22645), (6470, 19957), (9058, 14255)]