81041378

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1\times {\mathrm{359}}^1$

素因数の和:734

約数の個数: 32

約数和(自身を含む): 137687040

約数和(自身を除く): 56645662

約数列:

[1, 2, 11, 22, 31, 62, 331, 341, 359, 662, 682, 718, 3641, 3949, 7282, 7898, 10261, 11129, 20522, 22258, 112871, 118829, 122419, 225742, 237658, 244838, 1307119, 2614238, 3683699, 7367398, 40520689, 81041378]

約数ペア:

[(1, 81041378), (2, 40520689), (11, 7367398), (22, 3683699), (31, 2614238), (62, 1307119), (331, 244838), (341, 237658), (359, 225742), (662, 122419), (682, 118829), (718, 112871), (3641, 22258), (3949, 20522), (7282, 11129), (7898, 10261)]