1998535

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1$

素因数の和:231

約数の個数: 32

約数和(自身を含む): 3110400

約数和(自身を除く): 1111865

約数列:

[1, 5, 7, 11, 29, 35, 55, 77, 145, 179, 203, 319, 385, 895, 1015, 1253, 1595, 1969, 2233, 5191, 6265, 9845, 11165, 13783, 25955, 36337, 57101, 68915, 181685, 285505, 399707, 1998535]

約数ペア:

[(1, 1998535), (5, 399707), (7, 285505), (11, 181685), (29, 68915), (35, 57101), (55, 36337), (77, 25955), (145, 13783), (179, 11165), (203, 9845), (319, 6265), (385, 5191), (895, 2233), (1015, 1969), (1253, 1595)]