1900789415

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{11587}}^1$

素因数の和:11751

約数の個数: 32

約数和(自身を含む): 2692124160

約数和(自身を除く): 791334745

約数列:

[1, 5, 7, 35, 43, 109, 215, 301, 545, 763, 1505, 3815, 4687, 11587, 23435, 32809, 57935, 81109, 164045, 405545, 498241, 1262983, 2491205, 3487687, 6314915, 8840881, 17438435, 44204405, 54308269, 271541345, 380157883, 1900789415]

約数ペア:

[(1, 1900789415), (5, 380157883), (7, 271541345), (35, 54308269), (43, 44204405), (109, 17438435), (215, 8840881), (301, 6314915), (545, 3487687), (763, 2491205), (1505, 1262983), (3815, 498241), (4687, 405545), (11587, 164045), (23435, 81109), (32809, 57935)]