71219885

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{211}}^1$

素因数の和:282

約数の個数: 48

約数和(自身を含む): 104680512

約数和(自身を除く): 33460627

約数列:

[1, 5, 11, 17, 19, 55, 85, 95, 187, 209, 211, 323, 361, 935, 1045, 1055, 1615, 1805, 2321, 3553, 3587, 3971, 4009, 6137, 11605, 17765, 17935, 19855, 20045, 30685, 39457, 44099, 67507, 68153, 76171, 197285, 220495, 337535, 340765, 380855, 749683, 837881, 1294907, 3748415, 4189405, 6474535, 14243977, 71219885]

約数ペア:

[(1, 71219885), (5, 14243977), (11, 6474535), (17, 4189405), (19, 3748415), (55, 1294907), (85, 837881), (95, 749683), (187, 380855), (209, 340765), (211, 337535), (323, 220495), (361, 197285), (935, 76171), (1045, 68153), (1055, 67507), (1615, 44099), (1805, 39457), (2321, 30685), (3553, 20045), (3587, 19855), (3971, 17935), (4009, 17765), (6137, 11605)]