261585612

素因数分解:

$2^2\times 3^6\times {\mathrm{109}}^1\times {\mathrm{823}}^1$

素因数の和:954

約数の個数: 84

約数和(自身を含む): 693486640

約数和(自身を除く): 431901028

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 109, 162, 218, 243, 324, 327, 436, 486, 654, 729, 823, 972, 981, 1308, 1458, 1646, 1962, 2469, 2916, 2943, 3292, 3924, 4938, 5886, 7407, 8829, 9876, 11772, 14814, 17658, 22221, 26487, 29628, 35316, 44442, 52974, 66663, 79461, 88884, 89707, 105948, 133326, 158922, 179414, 199989, 266652, 269121, 317844, 358828, 399978, 538242, 599967, 799956, 807363, 1076484, 1199934, 1614726, 2399868, 2422089, 3229452, 4844178, 7266267, 9688356, 14532534, 21798801, 29065068, 43597602, 65396403, 87195204, 130792806, 261585612]

約数ペア:

[(1, 261585612), (2, 130792806), (3, 87195204), (4, 65396403), (6, 43597602), (9, 29065068), (12, 21798801), (18, 14532534), (27, 9688356), (36, 7266267), (54, 4844178), (81, 3229452), (108, 2422089), (109, 2399868), (162, 1614726), (218, 1199934), (243, 1076484), (324, 807363), (327, 799956), (436, 599967), (486, 538242), (654, 399978), (729, 358828), (823, 317844), (972, 269121), (981, 266652), (1308, 199989), (1458, 179414), (1646, 158922), (1962, 133326), (2469, 105948), (2916, 89707), (2943, 88884), (3292, 79461), (3924, 66663), (4938, 52974), (5886, 44442), (7407, 35316), (8829, 29628), (9876, 26487), (11772, 22221), (14814, 17658)]