388889468

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1\times {\mathrm{1087}}^1$

素因数の和:1322

約数の個数: 48

約数和(自身を含む): 763305984

約数和(自身を除く): 374416516

約数列:

[1, 2, 4, 11, 22, 44, 47, 94, 173, 188, 346, 517, 692, 1034, 1087, 1903, 2068, 2174, 3806, 4348, 7612, 8131, 11957, 16262, 23914, 32524, 47828, 51089, 89441, 102178, 178882, 188051, 204356, 357764, 376102, 561979, 752204, 1123958, 2068561, 2247916, 4137122, 8274244, 8838397, 17676794, 35353588, 97222367, 194444734, 388889468]

約数ペア:

[(1, 388889468), (2, 194444734), (4, 97222367), (11, 35353588), (22, 17676794), (44, 8838397), (47, 8274244), (94, 4137122), (173, 2247916), (188, 2068561), (346, 1123958), (517, 752204), (692, 561979), (1034, 376102), (1087, 357764), (1903, 204356), (2068, 188051), (2174, 178882), (3806, 102178), (4348, 89441), (7612, 51089), (8131, 47828), (11957, 32524), (16262, 23914)]