128127952

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{173}}^1\times {\mathrm{1129}}^1$

素因数の和:1351

約数の個数: 40

約数和(自身を含む): 255999240

約数和(自身を除く): 127871288

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 173, 328, 346, 656, 692, 1129, 1384, 2258, 2768, 4516, 7093, 9032, 14186, 18064, 28372, 46289, 56744, 92578, 113488, 185156, 195317, 370312, 390634, 740624, 781268, 1562536, 3125072, 8007997, 16015994, 32031988, 64063976, 128127952]

約数ペア:

[(1, 128127952), (2, 64063976), (4, 32031988), (8, 16015994), (16, 8007997), (41, 3125072), (82, 1562536), (164, 781268), (173, 740624), (328, 390634), (346, 370312), (656, 195317), (692, 185156), (1129, 113488), (1384, 92578), (2258, 56744), (2768, 46289), (4516, 28372), (7093, 18064), (9032, 14186)]