27781516

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{241}}^1$

素因数の和:454

約数の個数: 48

約数和(自身を含む): 58544640

約数和(自身を除く): 30763124

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 179, 241, 322, 358, 482, 644, 716, 964, 1253, 1687, 2506, 3374, 4117, 5012, 5543, 6748, 8234, 11086, 16468, 22172, 28819, 38801, 43139, 57638, 77602, 86278, 115276, 155204, 172556, 301973, 603946, 992197, 1207892, 1984394, 3968788, 6945379, 13890758, 27781516]

約数ペア:

[(1, 27781516), (2, 13890758), (4, 6945379), (7, 3968788), (14, 1984394), (23, 1207892), (28, 992197), (46, 603946), (92, 301973), (161, 172556), (179, 155204), (241, 115276), (322, 86278), (358, 77602), (482, 57638), (644, 43139), (716, 38801), (964, 28819), (1253, 22172), (1687, 16468), (2506, 11086), (3374, 8234), (4117, 6748), (5012, 5543)]