201886985

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2791}}^1$

素因数の和:2873

約数の個数: 32

約数和(自身を含む): 275000832

約数和(自身を除く): 73113847

約数列:

[1, 5, 17, 23, 37, 85, 115, 185, 391, 629, 851, 1955, 2791, 3145, 4255, 13955, 14467, 47447, 64193, 72335, 103267, 237235, 320965, 516335, 1091281, 1755539, 2375141, 5456405, 8777695, 11875705, 40377397, 201886985]

約数ペア:

[(1, 201886985), (5, 40377397), (17, 11875705), (23, 8777695), (37, 5456405), (85, 2375141), (115, 1755539), (185, 1091281), (391, 516335), (629, 320965), (851, 237235), (1955, 103267), (2791, 72335), (3145, 64193), (4255, 47447), (13955, 14467)]