31515232

素因数分解:

$2^5\times 7^2\times {\mathrm{101}}^1\times {\mathrm{199}}^1$

素因数の和:324

約数の個数: 72

約数和(自身を含む): 73256400

約数和(自身を除く): 41741168

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 101, 112, 196, 199, 202, 224, 392, 398, 404, 707, 784, 796, 808, 1393, 1414, 1568, 1592, 1616, 2786, 2828, 3184, 3232, 4949, 5572, 5656, 6368, 9751, 9898, 11144, 11312, 19502, 19796, 20099, 22288, 22624, 39004, 39592, 40198, 44576, 78008, 79184, 80396, 140693, 156016, 158368, 160792, 281386, 312032, 321584, 562772, 643168, 984851, 1125544, 1969702, 2251088, 3939404, 4502176, 7878808, 15757616, 31515232]

約数ペア:

[(1, 31515232), (2, 15757616), (4, 7878808), (7, 4502176), (8, 3939404), (14, 2251088), (16, 1969702), (28, 1125544), (32, 984851), (49, 643168), (56, 562772), (98, 321584), (101, 312032), (112, 281386), (196, 160792), (199, 158368), (202, 156016), (224, 140693), (392, 80396), (398, 79184), (404, 78008), (707, 44576), (784, 40198), (796, 39592), (808, 39004), (1393, 22624), (1414, 22288), (1568, 20099), (1592, 19796), (1616, 19502), (2786, 11312), (2828, 11144), (3184, 9898), (3232, 9751), (4949, 6368), (5572, 5656)]