1285485584

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{63113}}^1$

素因数の和:63207

約数の個数: 40

約数和(自身を含む): 2660886240

約数和(自身を除く): 1375400656

約数列:

[1, 2, 4, 8, 16, 19, 38, 67, 76, 134, 152, 268, 304, 536, 1072, 1273, 2546, 5092, 10184, 20368, 63113, 126226, 252452, 504904, 1009808, 1199147, 2398294, 4228571, 4796588, 8457142, 9593176, 16914284, 19186352, 33828568, 67657136, 80342849, 160685698, 321371396, 642742792, 1285485584]

約数ペア:

[(1, 1285485584), (2, 642742792), (4, 321371396), (8, 160685698), (16, 80342849), (19, 67657136), (38, 33828568), (67, 19186352), (76, 16914284), (134, 9593176), (152, 8457142), (268, 4796588), (304, 4228571), (536, 2398294), (1072, 1199147), (1273, 1009808), (2546, 504904), (5092, 252452), (10184, 126226), (20368, 63113)]