256218318

素因数分解:

$2^1\times 3^2\times {\mathrm{67}}^1\times {\mathrm{212453}}^1$

素因数の和:212528

約数の個数: 24

約数和(自身を含む): 563428008

約数和(自身を除く): 307209690

約数列:

[1, 2, 3, 6, 9, 18, 67, 134, 201, 402, 603, 1206, 212453, 424906, 637359, 1274718, 1912077, 3824154, 14234351, 28468702, 42703053, 85406106, 128109159, 256218318]

約数ペア:

[(1, 256218318), (2, 128109159), (3, 85406106), (6, 42703053), (9, 28468702), (18, 14234351), (67, 3824154), (134, 1912077), (201, 1274718), (402, 637359), (603, 424906), (1206, 212453)]