128791566

素因数分解:

$2^1\times 3^3\times {\mathrm{109}}^1\times {\mathrm{21881}}^1$

素因数の和:22001

約数の個数: 32

約数和(自身を含む): 288842400

約数和(自身を除く): 160050834

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 109, 218, 327, 654, 981, 1962, 2943, 5886, 21881, 43762, 65643, 131286, 196929, 393858, 590787, 1181574, 2385029, 4770058, 7155087, 14310174, 21465261, 42930522, 64395783, 128791566]

約数ペア:

[(1, 128791566), (2, 64395783), (3, 42930522), (6, 21465261), (9, 14310174), (18, 7155087), (27, 4770058), (54, 2385029), (109, 1181574), (218, 590787), (327, 393858), (654, 196929), (981, 131286), (1962, 65643), (2943, 43762), (5886, 21881)]