81087910

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1\times {\mathrm{433}}^1$

素因数の和:808

約数の個数: 32

約数和(自身を含む): 149177952

約数和(自身を除く): 68090042

約数列:

[1, 2, 5, 10, 61, 122, 305, 307, 433, 610, 614, 866, 1535, 2165, 3070, 4330, 18727, 26413, 37454, 52826, 93635, 132065, 132931, 187270, 264130, 265862, 664655, 1329310, 8108791, 16217582, 40543955, 81087910]

約数ペア:

[(1, 81087910), (2, 40543955), (5, 16217582), (10, 8108791), (61, 1329310), (122, 664655), (305, 265862), (307, 264130), (433, 187270), (610, 132931), (614, 132065), (866, 93635), (1535, 52826), (2165, 37454), (3070, 26413), (4330, 18727)]