399459424

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137177}}^1$

素因数の和:137207

約数の個数: 48

約数和(自身を含む): 967927968

約数和(自身を除く): 568468544

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 728, 1456, 2912, 137177, 274354, 548708, 960239, 1097416, 1783301, 1920478, 2194832, 3566602, 3840956, 4389664, 7133204, 7681912, 12483107, 14266408, 15363824, 24966214, 28532816, 30727648, 49932428, 57065632, 99864856, 199729712, 399459424]

約数ペア:

[(1, 399459424), (2, 199729712), (4, 99864856), (7, 57065632), (8, 49932428), (13, 30727648), (14, 28532816), (16, 24966214), (26, 15363824), (28, 14266408), (32, 12483107), (52, 7681912), (56, 7133204), (91, 4389664), (104, 3840956), (112, 3566602), (182, 2194832), (208, 1920478), (224, 1783301), (364, 1097416), (416, 960239), (728, 548708), (1456, 274354), (2912, 137177)]