139779455

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1$

素因数の和:347

約数の個数: 32

約数和(自身を含む): 178694208

約数和(自身を除く): 38914753

約数列:

[1, 5, 41, 43, 101, 157, 205, 215, 505, 785, 1763, 4141, 4343, 6437, 6751, 8815, 15857, 20705, 21715, 32185, 33755, 79285, 178063, 276791, 650137, 681851, 890315, 1383955, 3250685, 3409255, 27955891, 139779455]

約数ペア:

[(1, 139779455), (5, 27955891), (41, 3409255), (43, 3250685), (101, 1383955), (157, 890315), (205, 681851), (215, 650137), (505, 276791), (785, 178063), (1763, 79285), (4141, 33755), (4343, 32185), (6437, 21715), (6751, 20705), (8815, 15857)]