989919217

素因数分解:

$7^2\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{5441}}^1$

素因数の和:5581

約数の個数: 24

約数和(自身を含む): 1191144960

約数和(自身を除く): 201225743

約数列:

[1, 7, 47, 49, 79, 329, 553, 2303, 3713, 3871, 5441, 25991, 38087, 181937, 255727, 266609, 429839, 1790089, 3008873, 12530623, 20202433, 21062111, 141417031, 989919217]

約数ペア:

[(1, 989919217), (7, 141417031), (47, 21062111), (49, 20202433), (79, 12530623), (329, 3008873), (553, 1790089), (2303, 429839), (3713, 266609), (3871, 255727), (5441, 181937), (25991, 38087)]