215357402

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{199}}^1\times {\mathrm{389}}^1$

素因数の和:710

約数の個数: 32

約数和(自身を含む): 353808000

約数和(自身を除く): 138450598

約数列:

[1, 2, 13, 26, 107, 199, 214, 389, 398, 778, 1391, 2587, 2782, 5057, 5174, 10114, 21293, 41623, 42586, 77411, 83246, 154822, 276809, 541099, 553618, 1006343, 1082198, 2012686, 8282977, 16565954, 107678701, 215357402]

約数ペア:

[(1, 215357402), (2, 107678701), (13, 16565954), (26, 8282977), (107, 2012686), (199, 1082198), (214, 1006343), (389, 553618), (398, 541099), (778, 276809), (1391, 154822), (2587, 83246), (2782, 77411), (5057, 42586), (5174, 41623), (10114, 21293)]