421117268

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:214

約数の個数: 144

約数和(自身を含む): 960970752

約数和(自身を除く): 539853484

約数列:

[1, 2, 4, 11, 13, 17, 22, 26, 31, 34, 44, 52, 62, 68, 121, 124, 127, 143, 187, 221, 242, 254, 286, 341, 374, 403, 442, 484, 508, 527, 572, 682, 748, 806, 884, 1054, 1364, 1397, 1573, 1612, 1651, 2057, 2108, 2159, 2431, 2794, 3146, 3302, 3751, 3937, 4114, 4318, 4433, 4862, 5588, 5797, 6292, 6604, 6851, 7502, 7874, 8228, 8636, 8866, 9724, 11594, 13702, 15004, 15367, 15748, 17732, 18161, 23188, 23749, 26741, 27404, 28067, 30734, 36322, 43307, 47498, 48763, 51181, 53482, 56134, 61468, 63767, 66929, 72644, 75361, 86614, 94996, 97526, 102362, 106964, 112268, 127534, 133858, 150722, 173228, 195052, 199771, 204724, 255068, 261239, 267716, 301444, 308737, 399542, 476377, 522478, 562991, 617474, 736219, 799084, 828971, 870077, 952754, 1044956, 1125982, 1234948, 1472438, 1657942, 1740154, 1905508, 2251964, 2944876, 3315884, 3396107, 3480308, 6192901, 6792214, 8098409, 9570847, 12385802, 13584428, 16196818, 19141694, 24771604, 32393636, 38283388, 105279317, 210558634, 421117268]

約数ペア:

[(1, 421117268), (2, 210558634), (4, 105279317), (11, 38283388), (13, 32393636), (17, 24771604), (22, 19141694), (26, 16196818), (31, 13584428), (34, 12385802), (44, 9570847), (52, 8098409), (62, 6792214), (68, 6192901), (121, 3480308), (124, 3396107), (127, 3315884), (143, 2944876), (187, 2251964), (221, 1905508), (242, 1740154), (254, 1657942), (286, 1472438), (341, 1234948), (374, 1125982), (403, 1044956), (442, 952754), (484, 870077), (508, 828971), (527, 799084), (572, 736219), (682, 617474), (748, 562991), (806, 522478), (884, 476377), (1054, 399542), (1364, 308737), (1397, 301444), (1573, 267716), (1612, 261239), (1651, 255068), (2057, 204724), (2108, 199771), (2159, 195052), (2431, 173228), (2794, 150722), (3146, 133858), (3302, 127534), (3751, 112268), (3937, 106964), (4114, 102362), (4318, 97526), (4433, 94996), (4862, 86614), (5588, 75361), (5797, 72644), (6292, 66929), (6604, 63767), (6851, 61468), (7502, 56134), (7874, 53482), (8228, 51181), (8636, 48763), (8866, 47498), (9724, 43307), (11594, 36322), (13702, 30734), (15004, 28067), (15367, 27404), (15748, 26741), (17732, 23749), (18161, 23188)]