81980822

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{673}}^1$

素因数の和:813

約数の個数: 48

約数和(自身を含む): 157667472

約数和(自身を除く): 75686650

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 113, 154, 226, 539, 673, 791, 1078, 1243, 1346, 1582, 2486, 4711, 5537, 7403, 8701, 9422, 11074, 14806, 17402, 32977, 51821, 60907, 65954, 76049, 103642, 121814, 152098, 362747, 532343, 725494, 836539, 1064686, 1673078, 3726401, 5855773, 7452802, 11711546, 40990411, 81980822]

約数ペア:

[(1, 81980822), (2, 40990411), (7, 11711546), (11, 7452802), (14, 5855773), (22, 3726401), (49, 1673078), (77, 1064686), (98, 836539), (113, 725494), (154, 532343), (226, 362747), (539, 152098), (673, 121814), (791, 103642), (1078, 76049), (1243, 65954), (1346, 60907), (1582, 51821), (2486, 32977), (4711, 17402), (5537, 14806), (7403, 11074), (8701, 9422)]