397144748

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:244

約数の個数: 144

約数和(自身を含む): 960970752

約数和(自身を除く): 563826004

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 71, 77, 91, 121, 127, 142, 143, 154, 182, 242, 254, 284, 286, 308, 364, 484, 497, 508, 572, 781, 847, 889, 923, 994, 1001, 1397, 1562, 1573, 1651, 1694, 1778, 1846, 1988, 2002, 2794, 3124, 3146, 3302, 3388, 3556, 3692, 4004, 5467, 5588, 6292, 6461, 6604, 8591, 9017, 9779, 10153, 10934, 11011, 11557, 12922, 15367, 17182, 18034, 18161, 19558, 20306, 21868, 22022, 23114, 25844, 30734, 34364, 36068, 36322, 39116, 40612, 44044, 46228, 60137, 61468, 63119, 71071, 72644, 99187, 107569, 111683, 117221, 120274, 126238, 127127, 142142, 198374, 199771, 215138, 223366, 234442, 240548, 252476, 254254, 284284, 396748, 399542, 430276, 446732, 468884, 508508, 694309, 781781, 799084, 820547, 1091057, 1289431, 1388618, 1398397, 1563562, 1641094, 2182114, 2578862, 2777236, 2796794, 3127124, 3282188, 4364228, 5157724, 5593588, 7637399, 9026017, 14183741, 15274798, 18052034, 28367482, 30549596, 36104068, 56734964, 99286187, 198572374, 397144748]

約数ペア:

[(1, 397144748), (2, 198572374), (4, 99286187), (7, 56734964), (11, 36104068), (13, 30549596), (14, 28367482), (22, 18052034), (26, 15274798), (28, 14183741), (44, 9026017), (52, 7637399), (71, 5593588), (77, 5157724), (91, 4364228), (121, 3282188), (127, 3127124), (142, 2796794), (143, 2777236), (154, 2578862), (182, 2182114), (242, 1641094), (254, 1563562), (284, 1398397), (286, 1388618), (308, 1289431), (364, 1091057), (484, 820547), (497, 799084), (508, 781781), (572, 694309), (781, 508508), (847, 468884), (889, 446732), (923, 430276), (994, 399542), (1001, 396748), (1397, 284284), (1562, 254254), (1573, 252476), (1651, 240548), (1694, 234442), (1778, 223366), (1846, 215138), (1988, 199771), (2002, 198374), (2794, 142142), (3124, 127127), (3146, 126238), (3302, 120274), (3388, 117221), (3556, 111683), (3692, 107569), (4004, 99187), (5467, 72644), (5588, 71071), (6292, 63119), (6461, 61468), (6604, 60137), (8591, 46228), (9017, 44044), (9779, 40612), (10153, 39116), (10934, 36322), (11011, 36068), (11557, 34364), (12922, 30734), (15367, 25844), (17182, 23114), (18034, 22022), (18161, 21868), (19558, 20306)]