218532959

素因数分解:

${\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{821}}^1$

素因数の和:1078

約数の個数: 16

約数和(自身を含む): 232948224

約数和(自身を除く): 14415265

約数列:

[1, 23, 71, 163, 821, 1633, 3749, 11573, 18883, 58291, 133823, 266179, 1340693, 3077929, 9501433, 218532959]

約数ペア:

[(1, 218532959), (23, 9501433), (71, 3077929), (163, 1340693), (821, 266179), (1633, 133823), (3749, 58291), (11573, 18883)]