3939404

素因数分解:

$2^2\times 7^2\times {\mathrm{101}}^1\times {\mathrm{199}}^1$

素因数の和:318

約数の個数: 36

約数和(自身を含む): 8139600

約数和(自身を除く): 4200196

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 101, 196, 199, 202, 398, 404, 707, 796, 1393, 1414, 2786, 2828, 4949, 5572, 9751, 9898, 19502, 19796, 20099, 39004, 40198, 80396, 140693, 281386, 562772, 984851, 1969702, 3939404]

約数ペア:

[(1, 3939404), (2, 1969702), (4, 984851), (7, 562772), (14, 281386), (28, 140693), (49, 80396), (98, 40198), (101, 39004), (196, 20099), (199, 19796), (202, 19502), (398, 9898), (404, 9751), (707, 5572), (796, 4949), (1393, 2828), (1414, 2786)]