81580042

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{64849}}^1$

素因数の和:64905

約数の個数: 16

約数和(自身を含む): 133072200

約数和(自身を除く): 51492158

約数列:

[1, 2, 17, 34, 37, 74, 629, 1258, 64849, 129698, 1102433, 2204866, 2399413, 4798826, 40790021, 81580042]

約数ペア:

[(1, 81580042), (2, 40790021), (17, 4798826), (34, 2399413), (37, 2204866), (74, 1102433), (629, 129698), (1258, 64849)]