161757864

素因数分解:

$2^3\times 3^3\times {\mathrm{409}}^1\times {\mathrm{1831}}^1$

素因数の和:2255

約数の個数: 64

約数和(自身を含む): 450672000

約数和(自身を除く): 288914136

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 409, 818, 1227, 1636, 1831, 2454, 3272, 3662, 3681, 4908, 5493, 7324, 7362, 9816, 10986, 11043, 14648, 14724, 16479, 21972, 22086, 29448, 32958, 43944, 44172, 49437, 65916, 88344, 98874, 131832, 197748, 395496, 748879, 1497758, 2246637, 2995516, 4493274, 5991032, 6739911, 8986548, 13479822, 17973096, 20219733, 26959644, 40439466, 53919288, 80878932, 161757864]

約数ペア:

[(1, 161757864), (2, 80878932), (3, 53919288), (4, 40439466), (6, 26959644), (8, 20219733), (9, 17973096), (12, 13479822), (18, 8986548), (24, 6739911), (27, 5991032), (36, 4493274), (54, 2995516), (72, 2246637), (108, 1497758), (216, 748879), (409, 395496), (818, 197748), (1227, 131832), (1636, 98874), (1831, 88344), (2454, 65916), (3272, 49437), (3662, 44172), (3681, 43944), (4908, 32958), (5493, 29448), (7324, 22086), (7362, 21972), (9816, 16479), (10986, 14724), (11043, 14648)]