28849212

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{239}}^1\times {\mathrm{479}}^1$

素因数の和:735

約数の個数: 72

約数和(自身を含む): 83865600

約数和(自身を除く): 55016388

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 239, 252, 478, 479, 717, 956, 958, 1434, 1437, 1673, 1916, 2151, 2868, 2874, 3346, 3353, 4302, 4311, 5019, 5748, 6692, 6706, 8604, 8622, 10038, 10059, 13412, 15057, 17244, 20076, 20118, 30114, 30177, 40236, 60228, 60354, 114481, 120708, 228962, 343443, 457924, 686886, 801367, 1030329, 1373772, 1602734, 2060658, 2404101, 3205468, 4121316, 4808202, 7212303, 9616404, 14424606, 28849212]

約数ペア:

[(1, 28849212), (2, 14424606), (3, 9616404), (4, 7212303), (6, 4808202), (7, 4121316), (9, 3205468), (12, 2404101), (14, 2060658), (18, 1602734), (21, 1373772), (28, 1030329), (36, 801367), (42, 686886), (63, 457924), (84, 343443), (126, 228962), (239, 120708), (252, 114481), (478, 60354), (479, 60228), (717, 40236), (956, 30177), (958, 30114), (1434, 20118), (1437, 20076), (1673, 17244), (1916, 15057), (2151, 13412), (2868, 10059), (2874, 10038), (3346, 8622), (3353, 8604), (4302, 6706), (4311, 6692), (5019, 5748)]