71557216

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{661}}^1$

素因数の和:887

約数の個数: 48

約数和(自身を含む): 150141600

約数和(自身を除く): 78584384

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 199, 272, 398, 544, 661, 796, 1322, 1592, 2644, 3184, 3383, 5288, 6368, 6766, 10576, 11237, 13532, 21152, 22474, 27064, 44948, 54128, 89896, 108256, 131539, 179792, 263078, 359584, 526156, 1052312, 2104624, 2236163, 4209248, 4472326, 8944652, 17889304, 35778608, 71557216]

約数ペア:

[(1, 71557216), (2, 35778608), (4, 17889304), (8, 8944652), (16, 4472326), (17, 4209248), (32, 2236163), (34, 2104624), (68, 1052312), (136, 526156), (199, 359584), (272, 263078), (398, 179792), (544, 131539), (661, 108256), (796, 89896), (1322, 54128), (1592, 44948), (2644, 27064), (3184, 22474), (3383, 21152), (5288, 13532), (6368, 11237), (6766, 10576)]