257572614

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{2879}}^1$

素因数の和:2965

約数の個数: 64

約数和(自身を含む): 588349440

約数和(自身を除く): 330776826

約数列:

[1, 2, 3, 6, 13, 26, 31, 37, 39, 62, 74, 78, 93, 111, 186, 222, 403, 481, 806, 962, 1147, 1209, 1443, 2294, 2418, 2879, 2886, 3441, 5758, 6882, 8637, 14911, 17274, 29822, 37427, 44733, 74854, 89249, 89466, 106523, 112281, 178498, 213046, 224562, 267747, 319569, 535494, 639138, 1160237, 1384799, 2320474, 2769598, 3302213, 3480711, 4154397, 6604426, 6961422, 8308794, 9906639, 19813278, 42928769, 85857538, 128786307, 257572614]

約数ペア:

[(1, 257572614), (2, 128786307), (3, 85857538), (6, 42928769), (13, 19813278), (26, 9906639), (31, 8308794), (37, 6961422), (39, 6604426), (62, 4154397), (74, 3480711), (78, 3302213), (93, 2769598), (111, 2320474), (186, 1384799), (222, 1160237), (403, 639138), (481, 535494), (806, 319569), (962, 267747), (1147, 224562), (1209, 213046), (1443, 178498), (2294, 112281), (2418, 106523), (2879, 89466), (2886, 89249), (3441, 74854), (5758, 44733), (6882, 37427), (8637, 29822), (14911, 17274)]