821122792

素因数分解:

$2^3\times 7^5\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:269

約数の個数: 96

約数和(自身を含む): 1863544320

約数和(自身を除く): 1042421528

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 49, 56, 62, 98, 124, 196, 197, 217, 248, 343, 392, 394, 434, 686, 788, 868, 1372, 1379, 1519, 1576, 1736, 2401, 2744, 2758, 3038, 4802, 5516, 6076, 6107, 9604, 9653, 10633, 11032, 12152, 12214, 16807, 19208, 19306, 21266, 24428, 33614, 38612, 42532, 42749, 48856, 67228, 67571, 74431, 77224, 85064, 85498, 134456, 135142, 148862, 170996, 270284, 297724, 299243, 341992, 472997, 521017, 540568, 595448, 598486, 945994, 1042034, 1196972, 1891988, 2084068, 2094701, 2393944, 3310979, 3783976, 4168136, 4189402, 6621958, 8378804, 13243916, 14662907, 16757608, 26487832, 29325814, 58651628, 102640349, 117303256, 205280698, 410561396, 821122792]

約数ペア:

[(1, 821122792), (2, 410561396), (4, 205280698), (7, 117303256), (8, 102640349), (14, 58651628), (28, 29325814), (31, 26487832), (49, 16757608), (56, 14662907), (62, 13243916), (98, 8378804), (124, 6621958), (196, 4189402), (197, 4168136), (217, 3783976), (248, 3310979), (343, 2393944), (392, 2094701), (394, 2084068), (434, 1891988), (686, 1196972), (788, 1042034), (868, 945994), (1372, 598486), (1379, 595448), (1519, 540568), (1576, 521017), (1736, 472997), (2401, 341992), (2744, 299243), (2758, 297724), (3038, 270284), (4802, 170996), (5516, 148862), (6076, 135142), (6107, 134456), (9604, 85498), (9653, 85064), (10633, 77224), (11032, 74431), (12152, 67571), (12214, 67228), (16807, 48856), (19208, 42749), (19306, 42532), (21266, 38612), (24428, 33614)]