78398888

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{479}}^1\times {\mathrm{499}}^1$

素因数の和:1025

約数の個数: 32

約数和(自身を含む): 151200000

約数和(自身を除く): 72801112

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 479, 499, 958, 998, 1916, 1996, 3832, 3992, 19639, 20459, 39278, 40918, 78556, 81836, 157112, 163672, 239021, 478042, 956084, 1912168, 9799861, 19599722, 39199444, 78398888]

約数ペア:

[(1, 78398888), (2, 39199444), (4, 19599722), (8, 9799861), (41, 1912168), (82, 956084), (164, 478042), (328, 239021), (479, 163672), (499, 157112), (958, 81836), (998, 78556), (1916, 40918), (1996, 39278), (3832, 20459), (3992, 19639)]