81867808

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{12241}}^1$

素因数の和:12281

約数の個数: 48

約数和(自身を含む): 185099040

約数和(自身を除く): 103231232

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 76, 88, 152, 176, 209, 304, 352, 418, 608, 836, 1672, 3344, 6688, 12241, 24482, 48964, 97928, 134651, 195856, 232579, 269302, 391712, 465158, 538604, 930316, 1077208, 1860632, 2154416, 2558369, 3721264, 4308832, 5116738, 7442528, 10233476, 20466952, 40933904, 81867808]

約数ペア:

[(1, 81867808), (2, 40933904), (4, 20466952), (8, 10233476), (11, 7442528), (16, 5116738), (19, 4308832), (22, 3721264), (32, 2558369), (38, 2154416), (44, 1860632), (76, 1077208), (88, 930316), (152, 538604), (176, 465158), (209, 391712), (304, 269302), (352, 232579), (418, 195856), (608, 134651), (836, 97928), (1672, 48964), (3344, 24482), (6688, 12241)]