71780884

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{15923}}^1$

素因数の和:15964

約数の個数: 36

約数和(自身を含む): 152488224

約数和(自身を除く): 80707340

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 92, 98, 161, 196, 322, 644, 1127, 2254, 4508, 15923, 31846, 63692, 111461, 222922, 366229, 445844, 732458, 780227, 1464916, 1560454, 2563603, 3120908, 5127206, 10254412, 17945221, 35890442, 71780884]

約数ペア:

[(1, 71780884), (2, 35890442), (4, 17945221), (7, 10254412), (14, 5127206), (23, 3120908), (28, 2563603), (46, 1560454), (49, 1464916), (92, 780227), (98, 732458), (161, 445844), (196, 366229), (322, 222922), (644, 111461), (1127, 63692), (2254, 31846), (4508, 15923)]