256531002

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{4391}}^1$

素因数の和:4523

約数の個数: 64

約数和(自身を含む): 637507584

約数和(自身を除く): 380976582

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 107, 182, 214, 273, 321, 546, 642, 749, 1391, 1498, 2247, 2782, 4173, 4391, 4494, 8346, 8782, 9737, 13173, 19474, 26346, 29211, 30737, 57083, 58422, 61474, 92211, 114166, 171249, 184422, 342498, 399581, 469837, 799162, 939674, 1198743, 1409511, 2397486, 2819022, 3288859, 6107881, 6577718, 9866577, 12215762, 18323643, 19733154, 36647286, 42755167, 85510334, 128265501, 256531002]

約数ペア:

[(1, 256531002), (2, 128265501), (3, 85510334), (6, 42755167), (7, 36647286), (13, 19733154), (14, 18323643), (21, 12215762), (26, 9866577), (39, 6577718), (42, 6107881), (78, 3288859), (91, 2819022), (107, 2397486), (182, 1409511), (214, 1198743), (273, 939674), (321, 799162), (546, 469837), (642, 399581), (749, 342498), (1391, 184422), (1498, 171249), (2247, 114166), (2782, 92211), (4173, 61474), (4391, 58422), (4494, 57083), (8346, 30737), (8782, 29211), (9737, 26346), (13173, 19474)]