28670922

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{131}}^1\times {\mathrm{193}}^1$

素因数の和:345

約数の個数: 80

約数和(自身を含む): 74365632

約数和(自身を除く): 45694710

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 131, 162, 189, 193, 262, 378, 386, 393, 567, 579, 786, 917, 1134, 1158, 1179, 1351, 1737, 1834, 2358, 2702, 2751, 3474, 3537, 4053, 5211, 5502, 7074, 8106, 8253, 10422, 10611, 12159, 15633, 16506, 21222, 24318, 24759, 25283, 31266, 36477, 49518, 50566, 72954, 74277, 75849, 109431, 148554, 151698, 176981, 218862, 227547, 353962, 455094, 530943, 682641, 1061886, 1365282, 1592829, 2047923, 3185658, 4095846, 4778487, 9556974, 14335461, 28670922]

約数ペア:

[(1, 28670922), (2, 14335461), (3, 9556974), (6, 4778487), (7, 4095846), (9, 3185658), (14, 2047923), (18, 1592829), (21, 1365282), (27, 1061886), (42, 682641), (54, 530943), (63, 455094), (81, 353962), (126, 227547), (131, 218862), (162, 176981), (189, 151698), (193, 148554), (262, 109431), (378, 75849), (386, 74277), (393, 72954), (567, 50566), (579, 49518), (786, 36477), (917, 31266), (1134, 25283), (1158, 24759), (1179, 24318), (1351, 21222), (1737, 16506), (1834, 15633), (2358, 12159), (2702, 10611), (2751, 10422), (3474, 8253), (3537, 8106), (4053, 7074), (5211, 5502)]