1223291264

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{2221}}^1$

素因数の和:2579

約数の個数: 64

約数和(自身を含む): 2633603280

約数和(自身を除く): 1410312016

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 331, 416, 662, 832, 1324, 1664, 2221, 2648, 4303, 4442, 5296, 8606, 8884, 10592, 17212, 17768, 21184, 28873, 34424, 35536, 42368, 57746, 68848, 71072, 115492, 137696, 142144, 230984, 275392, 284288, 461968, 550784, 735151, 923936, 1470302, 1847872, 2940604, 3695744, 5881208, 9556963, 11762416, 19113926, 23524832, 38227852, 47049664, 76455704, 94099328, 152911408, 305822816, 611645632, 1223291264]

約数ペア:

[(1, 1223291264), (2, 611645632), (4, 305822816), (8, 152911408), (13, 94099328), (16, 76455704), (26, 47049664), (32, 38227852), (52, 23524832), (64, 19113926), (104, 11762416), (128, 9556963), (208, 5881208), (331, 3695744), (416, 2940604), (662, 1847872), (832, 1470302), (1324, 923936), (1664, 735151), (2221, 550784), (2648, 461968), (4303, 284288), (4442, 275392), (5296, 230984), (8606, 142144), (8884, 137696), (10592, 115492), (17212, 71072), (17768, 68848), (21184, 57746), (28873, 42368), (34424, 35536)]