261648018

素因数分解:

$2^1\times 3^2\times {\mathrm{211}}^1\times {\mathrm{68891}}^1$

素因数の和:69110

約数の個数: 24

約数和(自身を含む): 569599056

約数和(自身を除く): 307951038

約数列:

[1, 2, 3, 6, 9, 18, 211, 422, 633, 1266, 1899, 3798, 68891, 137782, 206673, 413346, 620019, 1240038, 14536001, 29072002, 43608003, 87216006, 130824009, 261648018]

約数ペア:

[(1, 261648018), (2, 130824009), (3, 87216006), (6, 43608003), (9, 29072002), (18, 14536001), (211, 1240038), (422, 620019), (633, 413346), (1266, 206673), (1899, 137782), (3798, 68891)]