40587778

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1637}}^1$

素因数の和:1687

約数の個数: 48

約数和(自身を含む): 80668224

約数和(自身を除く): 40080446

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 49, 77, 98, 154, 161, 253, 322, 506, 539, 1078, 1127, 1637, 1771, 2254, 3274, 3542, 11459, 12397, 18007, 22918, 24794, 36014, 37651, 75302, 80213, 126049, 160426, 252098, 263557, 414161, 527114, 828322, 882343, 1764686, 1844899, 2899127, 3689798, 5798254, 20293889, 40587778]

約数ペア:

[(1, 40587778), (2, 20293889), (7, 5798254), (11, 3689798), (14, 2899127), (22, 1844899), (23, 1764686), (46, 882343), (49, 828322), (77, 527114), (98, 414161), (154, 263557), (161, 252098), (253, 160426), (322, 126049), (506, 80213), (539, 75302), (1078, 37651), (1127, 36014), (1637, 24794), (1771, 22918), (2254, 18007), (3274, 12397), (3542, 11459)]