1668016

素因数分解:

$2^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{281}}^1$

素因数の和:349

約数の個数: 40

約数和(自身を含む): 3776544

約数和(自身を除く): 2108528

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 53, 56, 106, 112, 212, 281, 371, 424, 562, 742, 848, 1124, 1484, 1967, 2248, 2968, 3934, 4496, 5936, 7868, 14893, 15736, 29786, 31472, 59572, 104251, 119144, 208502, 238288, 417004, 834008, 1668016]

約数ペア:

[(1, 1668016), (2, 834008), (4, 417004), (7, 238288), (8, 208502), (14, 119144), (16, 104251), (28, 59572), (53, 31472), (56, 29786), (106, 15736), (112, 14893), (212, 7868), (281, 5936), (371, 4496), (424, 3934), (562, 2968), (742, 2248), (848, 1967), (1124, 1484)]