1991497696

素因数分解:

$2^5\times {\mathrm{107}}^1\times {\mathrm{599}}^1\times {\mathrm{971}}^1$

素因数の和:1687

約数の個数: 48

約数和(自身を含む): 3968092800

約数和(自身を除く): 1976595104

約数列:

[1, 2, 4, 8, 16, 32, 107, 214, 428, 599, 856, 971, 1198, 1712, 1942, 2396, 3424, 3884, 4792, 7768, 9584, 15536, 19168, 31072, 64093, 103897, 128186, 207794, 256372, 415588, 512744, 581629, 831176, 1025488, 1163258, 1662352, 2050976, 2326516, 3324704, 4653032, 9306064, 18612128, 62234303, 124468606, 248937212, 497874424, 995748848, 1991497696]

約数ペア:

[(1, 1991497696), (2, 995748848), (4, 497874424), (8, 248937212), (16, 124468606), (32, 62234303), (107, 18612128), (214, 9306064), (428, 4653032), (599, 3324704), (856, 2326516), (971, 2050976), (1198, 1662352), (1712, 1163258), (1942, 1025488), (2396, 831176), (3424, 581629), (3884, 512744), (4792, 415588), (7768, 256372), (9584, 207794), (15536, 128186), (19168, 103897), (31072, 64093)]