247425208

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{7079}}^1$

素因数の和:7359

約数の個数: 32

約数和(自身を含む): 493192800

約数和(自身を除く): 245767592

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 257, 514, 1028, 2056, 4369, 7079, 8738, 14158, 17476, 28316, 34952, 56632, 120343, 240686, 481372, 962744, 1819303, 3638606, 7277212, 14554424, 30928151, 61856302, 123712604, 247425208]

約数ペア:

[(1, 247425208), (2, 123712604), (4, 61856302), (8, 30928151), (17, 14554424), (34, 7277212), (68, 3638606), (136, 1819303), (257, 962744), (514, 481372), (1028, 240686), (2056, 120343), (4369, 56632), (7079, 34952), (8738, 28316), (14158, 17476)]