212855972

素因数分解:

$2^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{38201}}^1$

素因数の和:38411

約数の個数: 24

約数和(自身を含む): 427862400

約数和(自身を除く): 215006428

約数列:

[1, 2, 4, 7, 14, 28, 199, 398, 796, 1393, 2786, 5572, 38201, 76402, 152804, 267407, 534814, 1069628, 7601999, 15203998, 30407996, 53213993, 106427986, 212855972]

約数ペア:

[(1, 212855972), (2, 106427986), (4, 53213993), (7, 30407996), (14, 15203998), (28, 7601999), (199, 1069628), (398, 534814), (796, 267407), (1393, 152804), (2786, 76402), (5572, 38201)]