666996

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:212

約数の個数: 48

約数和(自身を含む): 1763328

約数和(自身を除く): 1096332

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 31, 33, 44, 62, 66, 93, 124, 132, 163, 186, 326, 341, 372, 489, 652, 682, 978, 1023, 1364, 1793, 1956, 2046, 3586, 4092, 5053, 5379, 7172, 10106, 10758, 15159, 20212, 21516, 30318, 55583, 60636, 111166, 166749, 222332, 333498, 666996]

約数ペア:

[(1, 666996), (2, 333498), (3, 222332), (4, 166749), (6, 111166), (11, 60636), (12, 55583), (22, 30318), (31, 21516), (33, 20212), (44, 15159), (62, 10758), (66, 10106), (93, 7172), (124, 5379), (132, 5053), (163, 4092), (186, 3586), (326, 2046), (341, 1956), (372, 1793), (489, 1364), (652, 1023), (682, 978)]