921411790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{35617}}^1$

素因数の和:35836

約数の個数: 32

約数和(自身を含む): 1795147200

約数和(自身を除く): 873735410

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 199, 398, 995, 1990, 2587, 5174, 12935, 25870, 35617, 71234, 178085, 356170, 463021, 926042, 2315105, 4630210, 7087783, 14175566, 35438915, 70877830, 92141179, 184282358, 460705895, 921411790]

約数ペア:

[(1, 921411790), (2, 460705895), (5, 184282358), (10, 92141179), (13, 70877830), (26, 35438915), (65, 14175566), (130, 7087783), (199, 4630210), (398, 2315105), (995, 926042), (1990, 463021), (2587, 356170), (5174, 178085), (12935, 71234), (25870, 35617)]