199682005

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{223}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 255467520

約数和(自身を除く): 55785515

約数列:

[1, 5, 31, 53, 109, 155, 223, 265, 545, 1115, 1643, 3379, 5777, 6913, 8215, 11819, 16895, 24307, 28885, 34565, 59095, 121535, 179087, 366389, 753517, 895435, 1288271, 1831945, 3767585, 6441355, 39936401, 199682005]

約数ペア:

[(1, 199682005), (5, 39936401), (31, 6441355), (53, 3767585), (109, 1831945), (155, 1288271), (223, 895435), (265, 753517), (545, 366389), (1115, 179087), (1643, 121535), (3379, 59095), (5777, 34565), (6913, 28885), (8215, 24307), (11819, 16895)]