219494015

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{239}}^1$

素因数の和:527

約数の個数: 32

約数和(自身を含む): 290304000

約数和(自身を除く): 70809985

約数列:

[1, 5, 13, 65, 71, 199, 239, 355, 923, 995, 1195, 2587, 3107, 4615, 12935, 14129, 15535, 16969, 47561, 70645, 84845, 183677, 220597, 237805, 618293, 918385, 1102985, 3091465, 3376831, 16884155, 43898803, 219494015]

約数ペア:

[(1, 219494015), (5, 43898803), (13, 16884155), (65, 3376831), (71, 3091465), (199, 1102985), (239, 918385), (355, 618293), (923, 237805), (995, 220597), (1195, 183677), (2587, 84845), (3107, 70645), (4615, 47561), (12935, 16969), (14129, 15535)]