991845192

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1553}}^1$

素因数の和:1687

約数の個数: 128

約数和(自身を含む): 2819577600

約数和(自身を除く): 1827732408

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 23, 24, 26, 39, 46, 52, 69, 78, 89, 92, 104, 138, 156, 178, 184, 267, 276, 299, 312, 356, 534, 552, 598, 712, 897, 1068, 1157, 1196, 1553, 1794, 2047, 2136, 2314, 2392, 3106, 3471, 3588, 4094, 4628, 4659, 6141, 6212, 6942, 7176, 8188, 9256, 9318, 12282, 12424, 13884, 16376, 18636, 20189, 24564, 26611, 27768, 35719, 37272, 40378, 49128, 53222, 60567, 71438, 79833, 80756, 106444, 107157, 121134, 138217, 142876, 159666, 161512, 212888, 214314, 242268, 276434, 285752, 319332, 414651, 428628, 464347, 484536, 552868, 638664, 829302, 857256, 928694, 1105736, 1393041, 1658604, 1796821, 1857388, 2786082, 3178991, 3317208, 3593642, 3714776, 5390463, 5572164, 6357982, 7187284, 9536973, 10780926, 11144328, 12715964, 14374568, 19073946, 21561852, 25431928, 38147892, 41326883, 43123704, 76295784, 82653766, 123980649, 165307532, 247961298, 330615064, 495922596, 991845192]

約数ペア:

[(1, 991845192), (2, 495922596), (3, 330615064), (4, 247961298), (6, 165307532), (8, 123980649), (12, 82653766), (13, 76295784), (23, 43123704), (24, 41326883), (26, 38147892), (39, 25431928), (46, 21561852), (52, 19073946), (69, 14374568), (78, 12715964), (89, 11144328), (92, 10780926), (104, 9536973), (138, 7187284), (156, 6357982), (178, 5572164), (184, 5390463), (267, 3714776), (276, 3593642), (299, 3317208), (312, 3178991), (356, 2786082), (534, 1857388), (552, 1796821), (598, 1658604), (712, 1393041), (897, 1105736), (1068, 928694), (1157, 857256), (1196, 829302), (1553, 638664), (1794, 552868), (2047, 484536), (2136, 464347), (2314, 428628), (2392, 414651), (3106, 319332), (3471, 285752), (3588, 276434), (4094, 242268), (4628, 214314), (4659, 212888), (6141, 161512), (6212, 159666), (6942, 142876), (7176, 138217), (8188, 121134), (9256, 107157), (9318, 106444), (12282, 80756), (12424, 79833), (13884, 71438), (16376, 60567), (18636, 53222), (20189, 49128), (24564, 40378), (26611, 37272), (27768, 35719)]