27984988

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{239}}^1\times {\mathrm{401}}^1$

素因数の和:717

約数の個数: 24

約数和(自身を含む): 49976640

約数和(自身を除く): 21991652

約数列:

[1, 2, 4, 73, 146, 239, 292, 401, 478, 802, 956, 1604, 17447, 29273, 34894, 58546, 69788, 95839, 117092, 191678, 383356, 6996247, 13992494, 27984988]

約数ペア:

[(1, 27984988), (2, 13992494), (4, 6996247), (73, 383356), (146, 191678), (239, 117092), (292, 95839), (401, 69788), (478, 58546), (802, 34894), (956, 29273), (1604, 17447)]