66863225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{317}}^1$

素因数の和:410

約数の個数: 48

約数和(自身を含む): 99368640

約数和(自身を除く): 32505415

約数列:

[1, 5, 11, 13, 25, 55, 59, 65, 143, 275, 295, 317, 325, 649, 715, 767, 1475, 1585, 3245, 3487, 3575, 3835, 4121, 7925, 8437, 16225, 17435, 18703, 19175, 20605, 42185, 45331, 87175, 93515, 103025, 205733, 210925, 226655, 243139, 467575, 1028665, 1133275, 1215695, 2674529, 5143325, 6078475, 13372645, 66863225]

約数ペア:

[(1, 66863225), (5, 13372645), (11, 6078475), (13, 5143325), (25, 2674529), (55, 1215695), (59, 1133275), (65, 1028665), (143, 467575), (275, 243139), (295, 226655), (317, 210925), (325, 205733), (649, 103025), (715, 93515), (767, 87175), (1475, 45331), (1585, 42185), (3245, 20605), (3487, 19175), (3575, 18703), (3835, 17435), (4121, 16225), (7925, 8437)]