81706072

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{27529}}^1$

素因数の和:27595

約数の個数: 32

約数和(自身を含む): 178394400

約数和(自身を除く): 96688328

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 106, 212, 371, 424, 742, 1484, 2968, 27529, 55058, 110116, 192703, 220232, 385406, 770812, 1459037, 1541624, 2918074, 5836148, 10213259, 11672296, 20426518, 40853036, 81706072]

約数ペア:

[(1, 81706072), (2, 40853036), (4, 20426518), (7, 11672296), (8, 10213259), (14, 5836148), (28, 2918074), (53, 1541624), (56, 1459037), (106, 770812), (212, 385406), (371, 220232), (424, 192703), (742, 110116), (1484, 55058), (2968, 27529)]