207979915

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{12647}}^1$

素因数の和:12699

約数の個数: 32

約数和(自身を含む): 305980416

約数和(自身を除く): 98000501

約数列:

[1, 5, 11, 13, 23, 55, 65, 115, 143, 253, 299, 715, 1265, 1495, 3289, 12647, 16445, 63235, 139117, 164411, 290881, 695585, 822055, 1454405, 1808521, 3199691, 3781453, 9042605, 15998455, 18907265, 41595983, 207979915]

約数ペア:

[(1, 207979915), (5, 41595983), (11, 18907265), (13, 15998455), (23, 9042605), (55, 3781453), (65, 3199691), (115, 1808521), (143, 1454405), (253, 822055), (299, 695585), (715, 290881), (1265, 164411), (1495, 139117), (3289, 63235), (12647, 16445)]