77816438

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{89}}^1\times {\mathrm{173}}^1$

素因数の和:309

約数の個数: 48

約数和(自身を含む): 143195040

約数和(自身を除く): 65378602

約数列:

[1, 2, 7, 14, 19, 38, 89, 133, 173, 178, 266, 346, 361, 623, 722, 1211, 1246, 1691, 2422, 2527, 3287, 3382, 5054, 6574, 11837, 15397, 23009, 23674, 30794, 32129, 46018, 62453, 64258, 107779, 124906, 215558, 224903, 292543, 437171, 449806, 585086, 874342, 2047801, 4095602, 5558317, 11116634, 38908219, 77816438]

約数ペア:

[(1, 77816438), (2, 38908219), (7, 11116634), (14, 5558317), (19, 4095602), (38, 2047801), (89, 874342), (133, 585086), (173, 449806), (178, 437171), (266, 292543), (346, 224903), (361, 215558), (623, 124906), (722, 107779), (1211, 64258), (1246, 62453), (1691, 46018), (2422, 32129), (2527, 30794), (3287, 23674), (3382, 23009), (5054, 15397), (6574, 11837)]