989971199

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{929}}^1$

素因数の和:1103

約数の個数: 32

約数和(自身を含む): 1199923200

約数和(自身を除く): 209952001

約数列:

[1, 7, 41, 47, 79, 287, 329, 553, 929, 1927, 3239, 3713, 6503, 13489, 22673, 25991, 38089, 43663, 73391, 152233, 266623, 305641, 513737, 1065631, 1790183, 3009031, 3449377, 12531281, 21063217, 24145639, 141424457, 989971199]

約数ペア:

[(1, 989971199), (7, 141424457), (41, 24145639), (47, 21063217), (79, 12531281), (287, 3449377), (329, 3009031), (553, 1790183), (929, 1065631), (1927, 513737), (3239, 305641), (3713, 266623), (6503, 152233), (13489, 73391), (22673, 43663), (25991, 38089)]