81457528

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{1831}}^1$

素因数の和:1987

約数の個数: 32

約数和(自身を含む): 156965760

約数和(自身を除く): 75508232

約数列:

[1, 2, 4, 8, 67, 83, 134, 166, 268, 332, 536, 664, 1831, 3662, 5561, 7324, 11122, 14648, 22244, 44488, 122677, 151973, 245354, 303946, 490708, 607892, 981416, 1215784, 10182191, 20364382, 40728764, 81457528]

約数ペア:

[(1, 81457528), (2, 40728764), (4, 20364382), (8, 10182191), (67, 1215784), (83, 981416), (134, 607892), (166, 490708), (268, 303946), (332, 245354), (536, 151973), (664, 122677), (1831, 44488), (3662, 22244), (5561, 14648), (7324, 11122)]