1388702924

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{2879}}^1$

素因数の和:3027

約数の個数: 72

約数和(自身を含む): 2978519040

約数和(自身を除く): 1589816116

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 92, 98, 107, 161, 196, 214, 322, 428, 644, 749, 1127, 1498, 2254, 2461, 2879, 2996, 4508, 4922, 5243, 5758, 9844, 10486, 11516, 17227, 20153, 20972, 34454, 40306, 66217, 68908, 80612, 120589, 132434, 141071, 241178, 264868, 282142, 308053, 463519, 482356, 564284, 616106, 927038, 1232212, 1854076, 2156371, 3244633, 4312742, 6489266, 7085219, 8625484, 12978532, 14170438, 15094597, 28340876, 30189194, 49596533, 60378388, 99193066, 198386132, 347175731, 694351462, 1388702924]

約数ペア:

[(1, 1388702924), (2, 694351462), (4, 347175731), (7, 198386132), (14, 99193066), (23, 60378388), (28, 49596533), (46, 30189194), (49, 28340876), (92, 15094597), (98, 14170438), (107, 12978532), (161, 8625484), (196, 7085219), (214, 6489266), (322, 4312742), (428, 3244633), (644, 2156371), (749, 1854076), (1127, 1232212), (1498, 927038), (2254, 616106), (2461, 564284), (2879, 482356), (2996, 463519), (4508, 308053), (4922, 282142), (5243, 264868), (5758, 241178), (9844, 141071), (10486, 132434), (11516, 120589), (17227, 80612), (20153, 68908), (20972, 66217), (34454, 40306)]