81206675

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{347}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 118063872

約数和(自身を除く): 36857197

約数列:

[1, 5, 11, 23, 25, 37, 55, 115, 185, 253, 275, 347, 407, 575, 851, 925, 1265, 1735, 2035, 3817, 4255, 6325, 7981, 8675, 9361, 10175, 12839, 19085, 21275, 39905, 46805, 64195, 87791, 95425, 141229, 199525, 234025, 295297, 320975, 438955, 706145, 1476485, 2194775, 3248267, 3530725, 7382425, 16241335, 81206675]

約数ペア:

[(1, 81206675), (5, 16241335), (11, 7382425), (23, 3530725), (25, 3248267), (37, 2194775), (55, 1476485), (115, 706145), (185, 438955), (253, 320975), (275, 295297), (347, 234025), (407, 199525), (575, 141229), (851, 95425), (925, 87791), (1265, 64195), (1735, 46805), (2035, 39905), (3817, 21275), (4255, 19085), (6325, 12839), (7981, 10175), (8675, 9361)]