207400976

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{212501}}^1$

素因数の和:212570

約数の個数: 20

約数和(自身を含む): 408428844

約数和(自身を除く): 201027868

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 212501, 425002, 850004, 1700008, 3400016, 12962561, 25925122, 51850244, 103700488, 207400976]

約数ペア:

[(1, 207400976), (2, 103700488), (4, 51850244), (8, 25925122), (16, 12962561), (61, 3400016), (122, 1700008), (244, 850004), (488, 425002), (976, 212501)]