2399984

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{2459}}^1$

素因数の和:2528

約数の個数: 20

約数和(自身を含む): 4728120

約数和(自身を除く): 2328136

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 2459, 4918, 9836, 19672, 39344, 149999, 299998, 599996, 1199992, 2399984]

約数ペア:

[(1, 2399984), (2, 1199992), (4, 599996), (8, 299998), (16, 149999), (61, 39344), (122, 19672), (244, 9836), (488, 4918), (976, 2459)]