398889392

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{991}}^1\times {\mathrm{2287}}^1$

素因数の和:3297

約数の個数: 40

約数和(自身を含む): 844326912

約数和(自身を除く): 445437520

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 991, 1982, 2287, 3964, 4574, 7928, 9148, 10901, 15856, 18296, 21802, 25157, 36592, 43604, 50314, 87208, 100628, 174416, 201256, 402512, 2266417, 4532834, 9065668, 18131336, 24930587, 36262672, 49861174, 99722348, 199444696, 398889392]

約数ペア:

[(1, 398889392), (2, 199444696), (4, 99722348), (8, 49861174), (11, 36262672), (16, 24930587), (22, 18131336), (44, 9065668), (88, 4532834), (176, 2266417), (991, 402512), (1982, 201256), (2287, 174416), (3964, 100628), (4574, 87208), (7928, 50314), (9148, 43604), (10901, 36592), (15856, 25157), (18296, 21802)]