66427856

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{571}}^1\times {\mathrm{661}}^1$

素因数の和:1251

約数の個数: 40

約数和(自身を含む): 140863008

約数和(自身を除く): 74435152

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 571, 661, 1142, 1322, 2284, 2644, 4568, 5288, 6281, 7271, 9136, 10576, 12562, 14542, 25124, 29084, 50248, 58168, 100496, 116336, 377431, 754862, 1509724, 3019448, 4151741, 6038896, 8303482, 16606964, 33213928, 66427856]

約数ペア:

[(1, 66427856), (2, 33213928), (4, 16606964), (8, 8303482), (11, 6038896), (16, 4151741), (22, 3019448), (44, 1509724), (88, 754862), (176, 377431), (571, 116336), (661, 100496), (1142, 58168), (1322, 50248), (2284, 29084), (2644, 25124), (4568, 14542), (5288, 12562), (6281, 10576), (7271, 9136)]