201326825072

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1256659}}^1$

素因数の和:1256734

約数の個数: 80

約数和(自身を含む): 448778419200

約数和(自身を除く): 247451594128

約数列:

[1, 2, 4, 8, 16, 17, 19, 31, 34, 38, 62, 68, 76, 124, 136, 152, 248, 272, 304, 323, 496, 527, 589, 646, 1054, 1178, 1292, 2108, 2356, 2584, 4216, 4712, 5168, 8432, 9424, 10013, 20026, 40052, 80104, 160208, 1256659, 2513318, 5026636, 10053272, 20106544, 21363203, 23876521, 38956429, 42726406, 47753042, 77912858, 85452812, 95506084, 155825716, 170905624, 191012168, 311651432, 341811248, 382024336, 405900857, 623302864, 662259293, 740172151, 811801714, 1324518586, 1480344302, 1623603428, 2649037172, 2960688604, 3247206856, 5298074344, 5921377208, 6494413712, 10596148688, 11842754416, 12582926567, 25165853134, 50331706268, 100663412536, 201326825072]

約数ペア:

[(1, 201326825072), (2, 100663412536), (4, 50331706268), (8, 25165853134), (16, 12582926567), (17, 11842754416), (19, 10596148688), (31, 6494413712), (34, 5921377208), (38, 5298074344), (62, 3247206856), (68, 2960688604), (76, 2649037172), (124, 1623603428), (136, 1480344302), (152, 1324518586), (248, 811801714), (272, 740172151), (304, 662259293), (323, 623302864), (496, 405900857), (527, 382024336), (589, 341811248), (646, 311651432), (1054, 191012168), (1178, 170905624), (1292, 155825716), (2108, 95506084), (2356, 85452812), (2584, 77912858), (4216, 47753042), (4712, 42726406), (5168, 38956429), (8432, 23876521), (9424, 21363203), (10013, 20106544), (20026, 10053272), (40052, 5026636), (80104, 2513318), (160208, 1256659)]