838006585

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{349}}^1$

素因数の和:478

約数の個数: 64

約数和(自身を含む): 1200225600

約数和(自身を除く): 362219015

約数列:

[1, 5, 13, 17, 41, 53, 65, 85, 205, 221, 265, 349, 533, 689, 697, 901, 1105, 1745, 2173, 2665, 3445, 3485, 4505, 4537, 5933, 9061, 10865, 11713, 14309, 18497, 22685, 28249, 29665, 36941, 45305, 58565, 71545, 77129, 92485, 141245, 184705, 186017, 240461, 243253, 314449, 385645, 480233, 758377, 930085, 1202305, 1216265, 1572245, 2401165, 3162289, 3791885, 4087837, 9858901, 12892409, 15811445, 20439185, 49294505, 64462045, 167601317, 838006585]

約数ペア:

[(1, 838006585), (5, 167601317), (13, 64462045), (17, 49294505), (41, 20439185), (53, 15811445), (65, 12892409), (85, 9858901), (205, 4087837), (221, 3791885), (265, 3162289), (349, 2401165), (533, 1572245), (689, 1216265), (697, 1202305), (901, 930085), (1105, 758377), (1745, 480233), (2173, 385645), (2665, 314449), (3445, 243253), (3485, 240461), (4505, 186017), (4537, 184705), (5933, 141245), (9061, 92485), (10865, 77129), (11713, 71545), (14309, 58565), (18497, 45305), (22685, 36941), (28249, 29665)]