20190129128

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2417}}^1\times {\mathrm{2591}}^1$

素因数の和:5058

約数の個数: 64

約数和(自身を含む): 42117304320

約数和(自身を除く): 21927175192

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 2417, 2591, 3224, 4834, 5182, 9668, 10364, 19336, 20728, 31421, 33683, 62842, 67366, 74927, 80321, 125684, 134732, 149854, 160642, 251368, 269464, 299708, 321284, 599416, 642568, 974051, 1044173, 1948102, 2088346, 3896204, 4176692, 6262447, 7792408, 8353384, 12524894, 25049788, 50099576, 81411811, 162823622, 194135857, 325647244, 388271714, 651294488, 776543428, 1553086856, 2523766141, 5047532282, 10095064564, 20190129128]

約数ペア:

[(1, 20190129128), (2, 10095064564), (4, 5047532282), (8, 2523766141), (13, 1553086856), (26, 776543428), (31, 651294488), (52, 388271714), (62, 325647244), (104, 194135857), (124, 162823622), (248, 81411811), (403, 50099576), (806, 25049788), (1612, 12524894), (2417, 8353384), (2591, 7792408), (3224, 6262447), (4834, 4176692), (5182, 3896204), (9668, 2088346), (10364, 1948102), (19336, 1044173), (20728, 974051), (31421, 642568), (33683, 599416), (62842, 321284), (67366, 299708), (74927, 269464), (80321, 251368), (125684, 160642), (134732, 149854)]