207911288

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{761}}^1$

素因数の和:888

約数の個数: 64

約数和(自身を含む): 437814720

約数和(自身を除く): 229903432

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 71, 74, 104, 142, 148, 284, 296, 481, 568, 761, 923, 962, 1522, 1846, 1924, 2627, 3044, 3692, 3848, 5254, 6088, 7384, 9893, 10508, 19786, 21016, 28157, 34151, 39572, 54031, 56314, 68302, 79144, 108062, 112628, 136604, 216124, 225256, 273208, 366041, 432248, 702403, 732082, 1404806, 1464164, 1999147, 2809612, 2928328, 3998294, 5619224, 7996588, 15993176, 25988911, 51977822, 103955644, 207911288]

約数ペア:

[(1, 207911288), (2, 103955644), (4, 51977822), (8, 25988911), (13, 15993176), (26, 7996588), (37, 5619224), (52, 3998294), (71, 2928328), (74, 2809612), (104, 1999147), (142, 1464164), (148, 1404806), (284, 732082), (296, 702403), (481, 432248), (568, 366041), (761, 273208), (923, 225256), (962, 216124), (1522, 136604), (1846, 112628), (1924, 108062), (2627, 79144), (3044, 68302), (3692, 56314), (3848, 54031), (5254, 39572), (6088, 34151), (7384, 28157), (9893, 21016), (10508, 19786)]