257978478

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^1\times {\mathrm{379}}^1\times {\mathrm{2767}}^1$

素因数の和:3192

約数の個数: 32

約数和(自身を含む): 530127360

約数和(自身を除く): 272148882

約数列:

[1, 2, 3, 6, 41, 82, 123, 246, 379, 758, 1137, 2274, 2767, 5534, 8301, 15539, 16602, 31078, 46617, 93234, 113447, 226894, 340341, 680682, 1048693, 2097386, 3146079, 6292158, 42996413, 85992826, 128989239, 257978478]

約数ペア:

[(1, 257978478), (2, 128989239), (3, 85992826), (6, 42996413), (41, 6292158), (82, 3146079), (123, 2097386), (246, 1048693), (379, 680682), (758, 340341), (1137, 226894), (2274, 113447), (2767, 93234), (5534, 46617), (8301, 31078), (15539, 16602)]