643684548

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1787}}^1\times {\mathrm{2309}}^1$

素因数の和:4116

約数の個数: 48

約数和(自身を含む): 1619069760

約数和(自身を除く): 975385212

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 1787, 2309, 3574, 4618, 5361, 6927, 7148, 9236, 10722, 13854, 21444, 23231, 27708, 30017, 46462, 60034, 69693, 90051, 92924, 120068, 139386, 180102, 278772, 360204, 4126183, 8252366, 12378549, 16504732, 24757098, 49514196, 53640379, 107280758, 160921137, 214561516, 321842274, 643684548]

約数ペア:

[(1, 643684548), (2, 321842274), (3, 214561516), (4, 160921137), (6, 107280758), (12, 53640379), (13, 49514196), (26, 24757098), (39, 16504732), (52, 12378549), (78, 8252366), (156, 4126183), (1787, 360204), (2309, 278772), (3574, 180102), (4618, 139386), (5361, 120068), (6927, 92924), (7148, 90051), (9236, 69693), (10722, 60034), (13854, 46462), (21444, 30017), (23231, 27708)]