71101975

素因数分解:

$5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 105548800

約数和(自身を除く): 34446825

約数列:

[1, 5, 7, 25, 35, 37, 79, 139, 175, 185, 259, 395, 553, 695, 925, 973, 1295, 1975, 2765, 2923, 3475, 4865, 5143, 6475, 10981, 13825, 14615, 20461, 24325, 25715, 36001, 54905, 73075, 76867, 102305, 128575, 180005, 274525, 384335, 406297, 511525, 900025, 1921675, 2031485, 2844079, 10157425, 14220395, 71101975]

約数ペア:

[(1, 71101975), (5, 14220395), (7, 10157425), (25, 2844079), (35, 2031485), (37, 1921675), (79, 900025), (139, 511525), (175, 406297), (185, 384335), (259, 274525), (395, 180005), (553, 128575), (695, 102305), (925, 76867), (973, 73075), (1295, 54905), (1975, 36001), (2765, 25715), (2923, 24325), (3475, 20461), (4865, 14615), (5143, 13825), (6475, 10981)]