2691606008

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{397}}^1$

素因数の和:629

約数の個数: 128

約数和(自身を含む): 6365452800

約数和(自身を除く): 3673846792

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 67, 91, 104, 134, 139, 182, 268, 278, 364, 397, 469, 536, 556, 728, 794, 871, 938, 973, 1112, 1588, 1742, 1807, 1876, 1946, 2779, 3176, 3484, 3614, 3752, 3892, 5161, 5558, 6097, 6968, 7228, 7784, 9313, 10322, 11116, 12194, 12649, 14456, 18626, 20644, 22232, 24388, 25298, 26599, 36127, 37252, 41288, 48776, 50596, 53198, 55183, 65191, 72254, 74504, 101192, 106396, 110366, 121069, 130382, 144508, 186193, 212792, 220732, 242138, 260764, 289016, 345787, 372386, 386281, 441464, 484276, 521528, 691574, 717379, 744772, 772562, 847483, 968552, 1383148, 1434758, 1489544, 1545124, 1694966, 2420509, 2766296, 2869516, 3090248, 3389932, 3697261, 4841018, 5021653, 5739032, 6779864, 7394522, 9682036, 10043306, 14789044, 19364072, 20086612, 25880827, 29578088, 40173224, 48064393, 51761654, 96128786, 103523308, 192257572, 207046616, 336450751, 384515144, 672901502, 1345803004, 2691606008]

約数ペア:

[(1, 2691606008), (2, 1345803004), (4, 672901502), (7, 384515144), (8, 336450751), (13, 207046616), (14, 192257572), (26, 103523308), (28, 96128786), (52, 51761654), (56, 48064393), (67, 40173224), (91, 29578088), (104, 25880827), (134, 20086612), (139, 19364072), (182, 14789044), (268, 10043306), (278, 9682036), (364, 7394522), (397, 6779864), (469, 5739032), (536, 5021653), (556, 4841018), (728, 3697261), (794, 3389932), (871, 3090248), (938, 2869516), (973, 2766296), (1112, 2420509), (1588, 1694966), (1742, 1545124), (1807, 1489544), (1876, 1434758), (1946, 1383148), (2779, 968552), (3176, 847483), (3484, 772562), (3614, 744772), (3752, 717379), (3892, 691574), (5161, 521528), (5558, 484276), (6097, 441464), (6968, 386281), (7228, 372386), (7784, 345787), (9313, 289016), (10322, 260764), (11116, 242138), (12194, 220732), (12649, 212792), (14456, 186193), (18626, 144508), (20644, 130382), (22232, 121069), (24388, 110366), (25298, 106396), (26599, 101192), (36127, 74504), (37252, 72254), (41288, 65191), (48776, 55183), (50596, 53198)]