255916822

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1$

素因数の和:325

約数の個数: 64

約数和(自身を含む): 472158720

約数和(自身を除く): 216241898

約数列:

[1, 2, 7, 14, 29, 43, 58, 86, 107, 137, 203, 214, 274, 301, 406, 602, 749, 959, 1247, 1498, 1918, 2494, 3103, 3973, 4601, 5891, 6206, 7946, 8729, 9202, 11782, 14659, 17458, 21721, 27811, 29318, 32207, 41237, 43442, 55622, 64414, 82474, 102613, 133429, 170839, 205226, 266858, 341678, 425111, 630337, 850222, 934003, 1195873, 1260674, 1868006, 2391746, 2975777, 4412359, 5951554, 8824718, 18279773, 36559546, 127958411, 255916822]

約数ペア:

[(1, 255916822), (2, 127958411), (7, 36559546), (14, 18279773), (29, 8824718), (43, 5951554), (58, 4412359), (86, 2975777), (107, 2391746), (137, 1868006), (203, 1260674), (214, 1195873), (274, 934003), (301, 850222), (406, 630337), (602, 425111), (749, 341678), (959, 266858), (1247, 205226), (1498, 170839), (1918, 133429), (2494, 102613), (3103, 82474), (3973, 64414), (4601, 55622), (5891, 43442), (6206, 41237), (7946, 32207), (8729, 29318), (9202, 27811), (11782, 21721), (14659, 17458)]