2800000042

素因数分解:

$2^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{4133}}^1$

素因数の和:4403

約数の個数: 48

約数和(自身を含む): 5067159552

約数和(自身を除く): 2267159510

約数列:

[1, 2, 7, 14, 31, 49, 62, 98, 217, 223, 434, 446, 1519, 1561, 3038, 3122, 4133, 6913, 8266, 10927, 13826, 21854, 28931, 48391, 57862, 96782, 128123, 202517, 256246, 338737, 405034, 677474, 896861, 921659, 1793722, 1843318, 6278027, 6451613, 12556054, 12903226, 28571429, 45161291, 57142858, 90322582, 200000003, 400000006, 1400000021, 2800000042]

約数ペア:

[(1, 2800000042), (2, 1400000021), (7, 400000006), (14, 200000003), (31, 90322582), (49, 57142858), (62, 45161291), (98, 28571429), (217, 12903226), (223, 12556054), (434, 6451613), (446, 6278027), (1519, 1843318), (1561, 1793722), (3038, 921659), (3122, 896861), (4133, 677474), (6913, 405034), (8266, 338737), (10927, 256246), (13826, 202517), (21854, 128123), (28931, 96782), (48391, 57862)]