64991836

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1109}}^1$

素因数の和:1163

約数の個数: 72

約数和(自身を含む): 148811040

約数和(自身を除く): 83819204

約数列:

[1, 2, 4, 7, 13, 14, 23, 26, 28, 46, 49, 52, 91, 92, 98, 161, 182, 196, 299, 322, 364, 598, 637, 644, 1109, 1127, 1196, 1274, 2093, 2218, 2254, 2548, 4186, 4436, 4508, 7763, 8372, 14417, 14651, 15526, 25507, 28834, 29302, 31052, 51014, 54341, 57668, 58604, 100919, 102028, 108682, 178549, 201838, 217364, 331591, 357098, 403676, 663182, 706433, 714196, 1249843, 1326364, 1412866, 2321137, 2499686, 2825732, 4642274, 4999372, 9284548, 16247959, 32495918, 64991836]

約数ペア:

[(1, 64991836), (2, 32495918), (4, 16247959), (7, 9284548), (13, 4999372), (14, 4642274), (23, 2825732), (26, 2499686), (28, 2321137), (46, 1412866), (49, 1326364), (52, 1249843), (91, 714196), (92, 706433), (98, 663182), (161, 403676), (182, 357098), (196, 331591), (299, 217364), (322, 201838), (364, 178549), (598, 108682), (637, 102028), (644, 100919), (1109, 58604), (1127, 57668), (1196, 54341), (1274, 51014), (2093, 31052), (2218, 29302), (2254, 28834), (2548, 25507), (4186, 15526), (4436, 14651), (4508, 14417), (7763, 8372)]