128140016

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{7723}}^1$

素因数の和:7809

約数の個数: 40

約数和(自身を含む): 267219504

約数和(自身を除く): 139079488

約数列:

[1, 2, 4, 8, 16, 17, 34, 61, 68, 122, 136, 244, 272, 488, 976, 1037, 2074, 4148, 7723, 8296, 15446, 16592, 30892, 61784, 123568, 131291, 262582, 471103, 525164, 942206, 1050328, 1884412, 2100656, 3768824, 7537648, 8008751, 16017502, 32035004, 64070008, 128140016]

約数ペア:

[(1, 128140016), (2, 64070008), (4, 32035004), (8, 16017502), (16, 8008751), (17, 7537648), (34, 3768824), (61, 2100656), (68, 1884412), (122, 1050328), (136, 942206), (244, 525164), (272, 471103), (488, 262582), (976, 131291), (1037, 123568), (2074, 61784), (4148, 30892), (7723, 16592), (8296, 15446)]