81411164

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{167}}^1$

素因数の和:362

約数の個数: 48

約数和(自身を含む): 155457792

約数和(自身を除く): 74046628

約数列:

[1, 2, 4, 17, 34, 67, 68, 107, 134, 167, 214, 268, 334, 428, 668, 1139, 1819, 2278, 2839, 3638, 4556, 5678, 7169, 7276, 11189, 11356, 14338, 17869, 22378, 28676, 35738, 44756, 71476, 121873, 190213, 243746, 303773, 380426, 487492, 607546, 760852, 1197223, 1215092, 2394446, 4788892, 20352791, 40705582, 81411164]

約数ペア:

[(1, 81411164), (2, 40705582), (4, 20352791), (17, 4788892), (34, 2394446), (67, 1215092), (68, 1197223), (107, 760852), (134, 607546), (167, 487492), (214, 380426), (268, 303773), (334, 243746), (428, 190213), (668, 121873), (1139, 71476), (1819, 44756), (2278, 35738), (2839, 28676), (3638, 22378), (4556, 17869), (5678, 14338), (7169, 11356), (7276, 11189)]