221284336

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{421}}^1$

素因数の和:487

約数の個数: 120

約数和(自身を含む): 558235104

約数和(自身を除く): 336950768

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, 421, 494, 532, 722, 728, 842, 988, 1064, 1444, 1456, 1684, 1729, 1976, 2128, 2527, 2888, 2947, 3368, 3458, 3952, 4693, 5054, 5473, 5776, 5894, 6736, 6916, 7999, 9386, 10108, 10946, 11788, 13832, 15998, 18772, 20216, 21892, 23576, 27664, 31996, 32851, 37544, 38311, 40432, 43784, 47152, 55993, 63992, 65702, 75088, 76622, 87568, 103987, 111986, 127984, 131404, 151981, 153244, 207974, 223972, 262808, 303962, 306488, 415948, 447944, 525616, 607924, 612976, 727909, 831896, 895888, 1063867, 1215848, 1455818, 1663792, 1975753, 2127734, 2431696, 2911636, 3951506, 4255468, 5823272, 7903012, 8510936, 11646544, 13830271, 15806024, 17021872, 27660542, 31612048, 55321084, 110642168, 221284336]

約数ペア:

[(1, 221284336), (2, 110642168), (4, 55321084), (7, 31612048), (8, 27660542), (13, 17021872), (14, 15806024), (16, 13830271), (19, 11646544), (26, 8510936), (28, 7903012), (38, 5823272), (52, 4255468), (56, 3951506), (76, 2911636), (91, 2431696), (104, 2127734), (112, 1975753), (133, 1663792), (152, 1455818), (182, 1215848), (208, 1063867), (247, 895888), (266, 831896), (304, 727909), (361, 612976), (364, 607924), (421, 525616), (494, 447944), (532, 415948), (722, 306488), (728, 303962), (842, 262808), (988, 223972), (1064, 207974), (1444, 153244), (1456, 151981), (1684, 131404), (1729, 127984), (1976, 111986), (2128, 103987), (2527, 87568), (2888, 76622), (2947, 75088), (3368, 65702), (3458, 63992), (3952, 55993), (4693, 47152), (5054, 43784), (5473, 40432), (5776, 38311), (5894, 37544), (6736, 32851), (6916, 31996), (7999, 27664), (9386, 23576), (10108, 21892), (10946, 20216), (11788, 18772), (13832, 15998)]