287998522

素因数分解:

$2^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{373}}^1\times {\mathrm{421}}^1$

素因数の和:934

約数の個数: 32

約数和(自身を含む): 499999104

約数和(自身を除く): 212000582

約数列:

[1, 2, 7, 14, 131, 262, 373, 421, 746, 842, 917, 1834, 2611, 2947, 5222, 5894, 48863, 55151, 97726, 110302, 157033, 314066, 342041, 386057, 684082, 772114, 1099231, 2198462, 20571323, 41142646, 143999261, 287998522]

約数ペア:

[(1, 287998522), (2, 143999261), (7, 41142646), (14, 20571323), (131, 2198462), (262, 1099231), (373, 772114), (421, 684082), (746, 386057), (842, 342041), (917, 314066), (1834, 157033), (2611, 110302), (2947, 97726), (5222, 55151), (5894, 48863)]