245287438

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{457}}^1\times {\mathrm{787}}^1$

素因数の和:1288

約数の個数: 32

約数和(自身を含む): 415761408

約数和(自身を除く): 170473970

約数列:

[1, 2, 11, 22, 31, 62, 341, 457, 682, 787, 914, 1574, 5027, 8657, 10054, 14167, 17314, 24397, 28334, 48794, 155837, 268367, 311674, 359659, 536734, 719318, 3956249, 7912498, 11149429, 22298858, 122643719, 245287438]

約数ペア:

[(1, 245287438), (2, 122643719), (11, 22298858), (22, 11149429), (31, 7912498), (62, 3956249), (341, 719318), (457, 536734), (682, 359659), (787, 311674), (914, 268367), (1574, 155837), (5027, 48794), (8657, 28334), (10054, 24397), (14167, 17314)]