978171376

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{1861}}^1$

素因数の和:1927

約数の個数: 120

約数和(自身を含む): 2463113184

約数和(自身を除く): 1484941808

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 38, 52, 56, 76, 91, 104, 112, 133, 152, 182, 208, 247, 266, 304, 361, 364, 494, 532, 722, 728, 988, 1064, 1444, 1456, 1729, 1861, 1976, 2128, 2527, 2888, 3458, 3722, 3952, 4693, 5054, 5776, 6916, 7444, 9386, 10108, 13027, 13832, 14888, 18772, 20216, 24193, 26054, 27664, 29776, 32851, 35359, 37544, 40432, 48386, 52108, 65702, 70718, 75088, 96772, 104216, 131404, 141436, 169351, 193544, 208432, 247513, 262808, 282872, 338702, 387088, 459667, 495026, 525616, 565744, 671821, 677404, 919334, 990052, 1343642, 1354808, 1838668, 1980104, 2687284, 2709616, 3217669, 3677336, 3960208, 4702747, 5374568, 6435338, 7354672, 8733673, 9405494, 10749136, 12870676, 17467346, 18810988, 25741352, 34934692, 37621976, 51482704, 61135711, 69869384, 75243952, 122271422, 139738768, 244542844, 489085688, 978171376]

約数ペア:

[(1, 978171376), (2, 489085688), (4, 244542844), (7, 139738768), (8, 122271422), (13, 75243952), (14, 69869384), (16, 61135711), (19, 51482704), (26, 37621976), (28, 34934692), (38, 25741352), (52, 18810988), (56, 17467346), (76, 12870676), (91, 10749136), (104, 9405494), (112, 8733673), (133, 7354672), (152, 6435338), (182, 5374568), (208, 4702747), (247, 3960208), (266, 3677336), (304, 3217669), (361, 2709616), (364, 2687284), (494, 1980104), (532, 1838668), (722, 1354808), (728, 1343642), (988, 990052), (1064, 919334), (1444, 677404), (1456, 671821), (1729, 565744), (1861, 525616), (1976, 495026), (2128, 459667), (2527, 387088), (2888, 338702), (3458, 282872), (3722, 262808), (3952, 247513), (4693, 208432), (5054, 193544), (5776, 169351), (6916, 141436), (7444, 131404), (9386, 104216), (10108, 96772), (13027, 75088), (13832, 70718), (14888, 65702), (18772, 52108), (20216, 48386), (24193, 40432), (26054, 37544), (27664, 35359), (29776, 32851)]