2178953875

素因数分解:

$5^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{108271}}^1$

素因数の和:108316

約数の個数: 32

約数和(自身を含む): 3242962944

約数和(自身を除く): 1064009069

約数列:

[1, 5, 7, 23, 25, 35, 115, 125, 161, 175, 575, 805, 875, 2875, 4025, 20125, 108271, 541355, 757897, 2490233, 2706775, 3789485, 12451165, 13533875, 17431631, 18947425, 62255825, 87158155, 94737125, 311279125, 435790775, 2178953875]

約数ペア:

[(1, 2178953875), (5, 435790775), (7, 311279125), (23, 94737125), (25, 87158155), (35, 62255825), (115, 18947425), (125, 17431631), (161, 13533875), (175, 12451165), (575, 3789485), (805, 2706775), (875, 2490233), (2875, 757897), (4025, 541355), (20125, 108271)]