1247705718

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1877}}^1$

素因数の和:1939

約数の個数: 128

約数和(自身を含む): 3245184000

約数和(自身を除く): 1997478282

約数列:

[1, 2, 3, 6, 7, 14, 17, 19, 21, 34, 38, 42, 49, 51, 57, 98, 102, 114, 119, 133, 147, 238, 266, 294, 323, 343, 357, 399, 646, 686, 714, 798, 833, 931, 969, 1029, 1666, 1862, 1877, 1938, 2058, 2261, 2499, 2793, 3754, 4522, 4998, 5586, 5631, 5831, 6517, 6783, 11262, 11662, 13034, 13139, 13566, 15827, 17493, 19551, 26278, 31654, 31909, 34986, 35663, 39102, 39417, 47481, 63818, 71326, 78834, 91973, 94962, 95727, 106989, 110789, 183946, 191454, 213978, 221578, 223363, 249641, 275919, 332367, 446726, 499282, 551838, 606271, 643811, 664734, 670089, 748923, 1212542, 1287622, 1340178, 1497846, 1563541, 1747487, 1818813, 1931433, 3127082, 3494974, 3637626, 3862866, 4243897, 4690623, 5242461, 8487794, 9381246, 10484922, 10944787, 12232409, 12731691, 21889574, 24464818, 25463382, 29707279, 32834361, 36697227, 59414558, 65668722, 73394454, 89121837, 178243674, 207950953, 415901906, 623852859, 1247705718]

約数ペア:

[(1, 1247705718), (2, 623852859), (3, 415901906), (6, 207950953), (7, 178243674), (14, 89121837), (17, 73394454), (19, 65668722), (21, 59414558), (34, 36697227), (38, 32834361), (42, 29707279), (49, 25463382), (51, 24464818), (57, 21889574), (98, 12731691), (102, 12232409), (114, 10944787), (119, 10484922), (133, 9381246), (147, 8487794), (238, 5242461), (266, 4690623), (294, 4243897), (323, 3862866), (343, 3637626), (357, 3494974), (399, 3127082), (646, 1931433), (686, 1818813), (714, 1747487), (798, 1563541), (833, 1497846), (931, 1340178), (969, 1287622), (1029, 1212542), (1666, 748923), (1862, 670089), (1877, 664734), (1938, 643811), (2058, 606271), (2261, 551838), (2499, 499282), (2793, 446726), (3754, 332367), (4522, 275919), (4998, 249641), (5586, 223363), (5631, 221578), (5831, 213978), (6517, 191454), (6783, 183946), (11262, 110789), (11662, 106989), (13034, 95727), (13139, 94962), (13566, 91973), (15827, 78834), (17493, 71326), (19551, 63818), (26278, 47481), (31654, 39417), (31909, 39102), (34986, 35663)]