215642904

素因数分解:

$2^3\times 3^1\times {\mathrm{71}}^1\times {\mathrm{126551}}^1$

素因数の和:126631

約数の個数: 32

約数和(自身を含む): 546704640

約数和(自身を除く): 331061736

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 71, 142, 213, 284, 426, 568, 852, 1704, 126551, 253102, 379653, 506204, 759306, 1012408, 1518612, 3037224, 8985121, 17970242, 26955363, 35940484, 53910726, 71880968, 107821452, 215642904]

約数ペア:

[(1, 215642904), (2, 107821452), (3, 71880968), (4, 53910726), (6, 35940484), (8, 26955363), (12, 17970242), (24, 8985121), (71, 3037224), (142, 1518612), (213, 1012408), (284, 759306), (426, 506204), (568, 379653), (852, 253102), (1704, 126551)]