256476752

素因数分解:

$2^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{43207}}^1$

素因数の和:43275

約数の個数: 40

約数和(自身を含む): 578641536

約数和(自身を除く): 322164784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 53, 56, 106, 112, 212, 371, 424, 742, 848, 1484, 2968, 5936, 43207, 86414, 172828, 302449, 345656, 604898, 691312, 1209796, 2289971, 2419592, 4579942, 4839184, 9159884, 16029797, 18319768, 32059594, 36639536, 64119188, 128238376, 256476752]

約数ペア:

[(1, 256476752), (2, 128238376), (4, 64119188), (7, 36639536), (8, 32059594), (14, 18319768), (16, 16029797), (28, 9159884), (53, 4839184), (56, 4579942), (106, 2419592), (112, 2289971), (212, 1209796), (371, 691312), (424, 604898), (742, 345656), (848, 302449), (1484, 172828), (2968, 86414), (5936, 43207)]