681993676

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3181}}^1$

素因数の和:3255

約数の個数: 96

約数和(自身を含む): 1596600320

約数和(自身を除く): 914606644

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 31, 38, 52, 62, 76, 91, 124, 133, 182, 217, 247, 266, 364, 403, 434, 494, 532, 589, 806, 868, 988, 1178, 1612, 1729, 2356, 2821, 3181, 3458, 4123, 5642, 6362, 6916, 7657, 8246, 11284, 12724, 15314, 16492, 22267, 30628, 41353, 44534, 53599, 60439, 82706, 89068, 98611, 107198, 120878, 165412, 197222, 214396, 241756, 289471, 394444, 423073, 578942, 690277, 785707, 846146, 1157884, 1281943, 1380554, 1571414, 1692292, 1873609, 2563886, 2761108, 3142828, 3747218, 5127772, 5499949, 7494436, 8973601, 10999898, 13115263, 17947202, 21999796, 24356917, 26230526, 35894404, 48713834, 52461052, 97427668, 170498419, 340996838, 681993676]

約数ペア:

[(1, 681993676), (2, 340996838), (4, 170498419), (7, 97427668), (13, 52461052), (14, 48713834), (19, 35894404), (26, 26230526), (28, 24356917), (31, 21999796), (38, 17947202), (52, 13115263), (62, 10999898), (76, 8973601), (91, 7494436), (124, 5499949), (133, 5127772), (182, 3747218), (217, 3142828), (247, 2761108), (266, 2563886), (364, 1873609), (403, 1692292), (434, 1571414), (494, 1380554), (532, 1281943), (589, 1157884), (806, 846146), (868, 785707), (988, 690277), (1178, 578942), (1612, 423073), (1729, 394444), (2356, 289471), (2821, 241756), (3181, 214396), (3458, 197222), (4123, 165412), (5642, 120878), (6362, 107198), (6916, 98611), (7657, 89068), (8246, 82706), (11284, 60439), (12724, 53599), (15314, 44534), (16492, 41353), (22267, 30628)]