207975775

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{317}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 310408704

約数和(自身を除く): 102432929

約数列:

[1, 5, 7, 23, 25, 35, 115, 161, 163, 175, 317, 575, 805, 815, 1141, 1585, 2219, 3749, 4025, 4075, 5705, 7291, 7925, 11095, 18745, 26243, 28525, 36455, 51037, 51671, 55475, 93725, 131215, 182275, 255185, 258355, 361697, 656075, 1188433, 1275925, 1291775, 1808485, 5942165, 8319031, 9042425, 29710825, 41595155, 207975775]

約数ペア:

[(1, 207975775), (5, 41595155), (7, 29710825), (23, 9042425), (25, 8319031), (35, 5942165), (115, 1808485), (161, 1291775), (163, 1275925), (175, 1188433), (317, 656075), (575, 361697), (805, 258355), (815, 255185), (1141, 182275), (1585, 131215), (2219, 93725), (3749, 55475), (4025, 51671), (4075, 51037), (5705, 36455), (7291, 28525), (7925, 26243), (11095, 18745)]