308971765

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{479}}^1$

素因数の和:657

約数の個数: 32

約数和(自身を含む): 398131200

約数和(自身を除く): 89159435

約数列:

[1, 5, 23, 71, 79, 115, 355, 395, 479, 1633, 1817, 2395, 5609, 8165, 9085, 11017, 28045, 34009, 37841, 55085, 129007, 170045, 189205, 645035, 782207, 870343, 2686711, 3911035, 4351715, 13433555, 61794353, 308971765]

約数ペア:

[(1, 308971765), (5, 61794353), (23, 13433555), (71, 4351715), (79, 3911035), (115, 2686711), (355, 870343), (395, 782207), (479, 645035), (1633, 189205), (1817, 170045), (2395, 129007), (5609, 55085), (8165, 37841), (9085, 34009), (11017, 28045)]