151919990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{397}}^1\times {\mathrm{2251}}^1$

素因数の和:2672

約数の個数: 32

約数和(自身を含む): 290399904

約数和(自身を除く): 138479914

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 397, 794, 1985, 2251, 3970, 4502, 6749, 11255, 13498, 22510, 33745, 38267, 67490, 76534, 191335, 382670, 893647, 1787294, 4468235, 8936470, 15191999, 30383998, 75959995, 151919990]

約数ペア:

[(1, 151919990), (2, 75959995), (5, 30383998), (10, 15191999), (17, 8936470), (34, 4468235), (85, 1787294), (170, 893647), (397, 382670), (794, 191335), (1985, 76534), (2251, 67490), (3970, 38267), (4502, 33745), (6749, 22510), (11255, 13498)]