4278014972

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{27947}}^1$

素因数の和:28047

約数の個数: 72

約数和(自身を含む): 9634681728

約数和(自身を除く): 5356666756

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 71, 77, 98, 142, 154, 196, 284, 308, 497, 539, 781, 994, 1078, 1562, 1988, 2156, 3124, 3479, 5467, 6958, 10934, 13916, 21868, 27947, 38269, 55894, 76538, 111788, 153076, 195629, 307417, 391258, 614834, 782516, 1229668, 1369403, 1984237, 2151919, 2738806, 3968474, 4303838, 5477612, 7936948, 8607676, 13889659, 15063433, 21826607, 27779318, 30126866, 43653214, 55558636, 60253732, 87306428, 97227613, 152786249, 194455226, 305572498, 388910452, 611144996, 1069503743, 2139007486, 4278014972]

約数ペア:

[(1, 4278014972), (2, 2139007486), (4, 1069503743), (7, 611144996), (11, 388910452), (14, 305572498), (22, 194455226), (28, 152786249), (44, 97227613), (49, 87306428), (71, 60253732), (77, 55558636), (98, 43653214), (142, 30126866), (154, 27779318), (196, 21826607), (284, 15063433), (308, 13889659), (497, 8607676), (539, 7936948), (781, 5477612), (994, 4303838), (1078, 3968474), (1562, 2738806), (1988, 2151919), (2156, 1984237), (3124, 1369403), (3479, 1229668), (5467, 782516), (6958, 614834), (10934, 391258), (13916, 307417), (21868, 195629), (27947, 153076), (38269, 111788), (55894, 76538)]