2021789539

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{2297}}^1$

素因数の和:2416

約数の個数: 48

約数和(自身を含む): 2716125696

約数和(自身を除く): 694336157

約数列:

[1, 7, 11, 23, 49, 71, 77, 161, 253, 497, 539, 781, 1127, 1633, 1771, 2297, 3479, 5467, 11431, 12397, 16079, 17963, 25267, 38269, 52831, 80017, 112553, 125741, 163087, 176869, 369817, 581141, 880187, 1141609, 1238083, 1793957, 2588719, 3751001, 4067987, 7991263, 12557699, 26257007, 28475909, 41261011, 87903893, 183799049, 288827077, 2021789539]

約数ペア:

[(1, 2021789539), (7, 288827077), (11, 183799049), (23, 87903893), (49, 41261011), (71, 28475909), (77, 26257007), (161, 12557699), (253, 7991263), (497, 4067987), (539, 3751001), (781, 2588719), (1127, 1793957), (1633, 1238083), (1771, 1141609), (2297, 880187), (3479, 581141), (5467, 369817), (11431, 176869), (12397, 163087), (16079, 125741), (17963, 112553), (25267, 80017), (38269, 52831)]