408923144

素因数分解:

$2^3\times 7^1\times {\mathrm{101}}^1\times {\mathrm{197}}^1\times {\mathrm{367}}^1$

素因数の和:678

約数の個数: 64

約数和(自身を含む): 891855360

約数和(自身を除く): 482932216

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 101, 197, 202, 367, 394, 404, 707, 734, 788, 808, 1379, 1414, 1468, 1576, 2569, 2758, 2828, 2936, 5138, 5516, 5656, 10276, 11032, 19897, 20552, 37067, 39794, 72299, 74134, 79588, 139279, 144598, 148268, 159176, 259469, 278558, 289196, 296536, 506093, 518938, 557116, 578392, 1012186, 1037876, 1114232, 2024372, 2075752, 4048744, 7302199, 14604398, 29208796, 51115393, 58417592, 102230786, 204461572, 408923144]

約数ペア:

[(1, 408923144), (2, 204461572), (4, 102230786), (7, 58417592), (8, 51115393), (14, 29208796), (28, 14604398), (56, 7302199), (101, 4048744), (197, 2075752), (202, 2024372), (367, 1114232), (394, 1037876), (404, 1012186), (707, 578392), (734, 557116), (788, 518938), (808, 506093), (1379, 296536), (1414, 289196), (1468, 278558), (1576, 259469), (2569, 159176), (2758, 148268), (2828, 144598), (2936, 139279), (5138, 79588), (5516, 74134), (5656, 72299), (10276, 39794), (11032, 37067), (19897, 20552)]