201688976

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{406631}}^1$

素因数の和:406670

約数の個数: 20

約数和(自身を含む): 403378944

約数和(自身を除く): 201689968

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 406631, 813262, 1626524, 3253048, 6506096, 12605561, 25211122, 50422244, 100844488, 201688976]

約数ペア:

[(1, 201688976), (2, 100844488), (4, 50422244), (8, 25211122), (16, 12605561), (31, 6506096), (62, 3253048), (124, 1626524), (248, 813262), (496, 406631)]