199904908

素因数分解:

$2^2\times 7^2\times {\mathrm{661}}^1\times {\mathrm{1543}}^1$

素因数の和:2222

約数の個数: 36

約数和(自身を含む): 407829072

約数和(自身を除く): 207924164

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 661, 1322, 1543, 2644, 3086, 4627, 6172, 9254, 10801, 18508, 21602, 32389, 43204, 64778, 75607, 129556, 151214, 302428, 1019923, 2039846, 4079692, 7139461, 14278922, 28557844, 49976227, 99952454, 199904908]

約数ペア:

[(1, 199904908), (2, 99952454), (4, 49976227), (7, 28557844), (14, 14278922), (28, 7139461), (49, 4079692), (98, 2039846), (196, 1019923), (661, 302428), (1322, 151214), (1543, 129556), (2644, 75607), (3086, 64778), (4627, 43204), (6172, 32389), (9254, 21602), (10801, 18508)]