261474966

素因数分解:

$2^1\times 3^4\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{179}}^1$

素因数の和:391

約数の個数: 80

約数和(自身を含む): 602173440

約数和(自身を除く): 340698474

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 81, 127, 142, 162, 179, 213, 254, 358, 381, 426, 537, 639, 762, 1074, 1143, 1278, 1611, 1917, 2286, 3222, 3429, 3834, 4833, 5751, 6858, 9017, 9666, 10287, 11502, 12709, 14499, 18034, 20574, 22733, 25418, 27051, 28998, 38127, 45466, 54102, 68199, 76254, 81153, 114381, 136398, 162306, 204597, 228762, 243459, 343143, 409194, 486918, 613791, 686286, 730377, 1029429, 1227582, 1460754, 1614043, 1841373, 2058858, 3228086, 3682746, 4842129, 9684258, 14526387, 29052774, 43579161, 87158322, 130737483, 261474966]

約数ペア:

[(1, 261474966), (2, 130737483), (3, 87158322), (6, 43579161), (9, 29052774), (18, 14526387), (27, 9684258), (54, 4842129), (71, 3682746), (81, 3228086), (127, 2058858), (142, 1841373), (162, 1614043), (179, 1460754), (213, 1227582), (254, 1029429), (358, 730377), (381, 686286), (426, 613791), (537, 486918), (639, 409194), (762, 343143), (1074, 243459), (1143, 228762), (1278, 204597), (1611, 162306), (1917, 136398), (2286, 114381), (3222, 81153), (3429, 76254), (3834, 68199), (4833, 54102), (5751, 45466), (6858, 38127), (9017, 28998), (9666, 27051), (10287, 25418), (11502, 22733), (12709, 20574), (14499, 18034)]