72240385

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{479}}^1$

素因数の和:661

約数の個数: 32

約数和(自身を含む): 103219200

約数和(自身を除く): 30978815

約数列:

[1, 5, 7, 31, 35, 139, 155, 217, 479, 695, 973, 1085, 2395, 3353, 4309, 4865, 14849, 16765, 21545, 30163, 66581, 74245, 103943, 150815, 332905, 466067, 519715, 2064011, 2330335, 10320055, 14448077, 72240385]

約数ペア:

[(1, 72240385), (5, 14448077), (7, 10320055), (31, 2330335), (35, 2064011), (139, 519715), (155, 466067), (217, 332905), (479, 150815), (695, 103943), (973, 74245), (1085, 66581), (2395, 30163), (3353, 21545), (4309, 16765), (4865, 14849)]