199895885

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1\times {\mathrm{313}}^1$

素因数の和:653

約数の個数: 32

約数和(自身を含む): 279977472

約数和(自身を除く): 80081587

約数列:

[1, 5, 7, 35, 71, 257, 313, 355, 497, 1285, 1565, 1799, 2191, 2485, 8995, 10955, 18247, 22223, 80441, 91235, 111115, 127729, 155561, 402205, 563087, 638645, 777805, 2815435, 5711311, 28556555, 39979177, 199895885]

約数ペア:

[(1, 199895885), (5, 39979177), (7, 28556555), (35, 5711311), (71, 2815435), (257, 777805), (313, 638645), (355, 563087), (497, 402205), (1285, 155561), (1565, 127729), (1799, 111115), (2191, 91235), (2485, 80441), (8995, 22223), (10955, 18247)]