81279086

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{1367}}^1$

素因数の和:1544

約数の個数: 32

約数和(自身を含む): 144986112

約数和(自身を除く): 63707026

約数列:

[1, 2, 7, 14, 31, 62, 137, 217, 274, 434, 959, 1367, 1918, 2734, 4247, 8494, 9569, 19138, 29729, 42377, 59458, 84754, 187279, 296639, 374558, 593278, 1310953, 2621906, 5805649, 11611298, 40639543, 81279086]

約数ペア:

[(1, 81279086), (2, 40639543), (7, 11611298), (14, 5805649), (31, 2621906), (62, 1310953), (137, 593278), (217, 374558), (274, 296639), (434, 187279), (959, 84754), (1367, 59458), (1918, 42377), (2734, 29729), (4247, 19138), (8494, 9569)]