81853516

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{5039}}^1$

素因数の和:5205

約数の個数: 24

約数和(自身を含む): 149022720

約数和(自身を除く): 67169204

約数列:

[1, 2, 4, 31, 62, 124, 131, 262, 524, 4061, 5039, 8122, 10078, 16244, 20156, 156209, 312418, 624836, 660109, 1320218, 2640436, 20463379, 40926758, 81853516]

約数ペア:

[(1, 81853516), (2, 40926758), (4, 20463379), (31, 2640436), (62, 1320218), (124, 660109), (131, 624836), (262, 312418), (524, 156209), (4061, 20156), (5039, 16244), (8122, 10078)]