1389664518

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{253681}}^1$

素因数の和:253780

約数の個数: 32

約数和(自身を含む): 3068537472

約数和(自身を除く): 1678872954

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 83, 166, 249, 498, 913, 1826, 2739, 5478, 253681, 507362, 761043, 1522086, 2790491, 5580982, 8371473, 16742946, 21055523, 42111046, 63166569, 126333138, 231610753, 463221506, 694832259, 1389664518]

約数ペア:

[(1, 1389664518), (2, 694832259), (3, 463221506), (6, 231610753), (11, 126333138), (22, 63166569), (33, 42111046), (66, 21055523), (83, 16742946), (166, 8371473), (249, 5580982), (498, 2790491), (913, 1522086), (1826, 761043), (2739, 507362), (5478, 253681)]