128587856

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{2857}}^1$

素因数の和:2991

約数の個数: 40

約数和(自身を含む): 260478120

約数和(自身を除く): 131890264

約数列:

[1, 2, 4, 8, 16, 29, 58, 97, 116, 194, 232, 388, 464, 776, 1552, 2813, 2857, 5626, 5714, 11252, 11428, 22504, 22856, 45008, 45712, 82853, 165706, 277129, 331412, 554258, 662824, 1108516, 1325648, 2217032, 4434064, 8036741, 16073482, 32146964, 64293928, 128587856]

約数ペア:

[(1, 128587856), (2, 64293928), (4, 32146964), (8, 16073482), (16, 8036741), (29, 4434064), (58, 2217032), (97, 1325648), (116, 1108516), (194, 662824), (232, 554258), (388, 331412), (464, 277129), (776, 165706), (1552, 82853), (2813, 45712), (2857, 45008), (5626, 22856), (5714, 22504), (11252, 11428)]