199945515

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{523}}^1$

素因数の和:880

約数の個数: 64

約数和(自身を含む): 400822272

約数和(自身を除く): 200876757

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 331, 385, 523, 993, 1155, 1569, 1655, 2317, 2615, 3641, 3661, 4965, 5753, 6951, 7845, 10923, 10983, 11585, 17259, 18205, 18305, 25487, 28765, 34755, 40271, 54615, 54915, 76461, 86295, 120813, 127435, 173113, 201355, 382305, 519339, 604065, 865565, 1211791, 1904243, 2596695, 3635373, 5712729, 6058955, 9521215, 13329701, 18176865, 28563645, 39989103, 66648505, 199945515]

約数ペア:

[(1, 199945515), (3, 66648505), (5, 39989103), (7, 28563645), (11, 18176865), (15, 13329701), (21, 9521215), (33, 6058955), (35, 5712729), (55, 3635373), (77, 2596695), (105, 1904243), (165, 1211791), (231, 865565), (331, 604065), (385, 519339), (523, 382305), (993, 201355), (1155, 173113), (1569, 127435), (1655, 120813), (2317, 86295), (2615, 76461), (3641, 54915), (3661, 54615), (4965, 40271), (5753, 34755), (6951, 28765), (7845, 25487), (10923, 18305), (10983, 18205), (11585, 17259)]