656345144

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{229}}^1$

素因数の和:413

約数の個数: 128

約数和(自身を含む): 1582694400

約数和(自身を除く): 926349256

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 31, 52, 56, 62, 91, 104, 124, 127, 182, 217, 229, 248, 254, 364, 403, 434, 458, 508, 728, 806, 868, 889, 916, 1016, 1603, 1612, 1651, 1736, 1778, 1832, 2821, 2977, 3206, 3224, 3302, 3556, 3937, 5642, 5954, 6412, 6604, 7099, 7112, 7874, 11284, 11557, 11908, 12824, 13208, 14198, 15748, 20839, 22568, 23114, 23816, 27559, 28396, 29083, 31496, 41678, 46228, 49693, 51181, 55118, 56792, 58166, 83356, 92287, 92456, 99386, 102362, 110236, 116332, 166712, 184574, 198772, 203581, 204724, 220472, 232664, 358267, 369148, 378079, 397544, 407162, 409448, 646009, 716534, 738296, 756158, 814324, 901573, 1292018, 1433068, 1512316, 1628648, 1803146, 2584036, 2646553, 2866136, 3024632, 3606292, 5168072, 5293106, 6311011, 7212584, 10586212, 11720449, 12622022, 21172424, 23440898, 25244044, 46881796, 50488088, 82043143, 93763592, 164086286, 328172572, 656345144]

約数ペア:

[(1, 656345144), (2, 328172572), (4, 164086286), (7, 93763592), (8, 82043143), (13, 50488088), (14, 46881796), (26, 25244044), (28, 23440898), (31, 21172424), (52, 12622022), (56, 11720449), (62, 10586212), (91, 7212584), (104, 6311011), (124, 5293106), (127, 5168072), (182, 3606292), (217, 3024632), (229, 2866136), (248, 2646553), (254, 2584036), (364, 1803146), (403, 1628648), (434, 1512316), (458, 1433068), (508, 1292018), (728, 901573), (806, 814324), (868, 756158), (889, 738296), (916, 716534), (1016, 646009), (1603, 409448), (1612, 407162), (1651, 397544), (1736, 378079), (1778, 369148), (1832, 358267), (2821, 232664), (2977, 220472), (3206, 204724), (3224, 203581), (3302, 198772), (3556, 184574), (3937, 166712), (5642, 116332), (5954, 110236), (6412, 102362), (6604, 99386), (7099, 92456), (7112, 92287), (7874, 83356), (11284, 58166), (11557, 56792), (11908, 55118), (12824, 51181), (13208, 49693), (14198, 46228), (15748, 41678), (20839, 31496), (22568, 29083), (23114, 28396), (23816, 27559)]