291216888

素因数分解:

$2^3\times 3^2\times {\mathrm{47}}^2\times {\mathrm{1831}}^1$

素因数の和:1937

約数の個数: 72

約数和(自身を含む): 806290680

約数和(自身を除く): 515073792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 47, 72, 94, 141, 188, 282, 376, 423, 564, 846, 1128, 1692, 1831, 2209, 3384, 3662, 4418, 5493, 6627, 7324, 8836, 10986, 13254, 14648, 16479, 17672, 19881, 21972, 26508, 32958, 39762, 43944, 53016, 65916, 79524, 86057, 131832, 159048, 172114, 258171, 344228, 516342, 688456, 774513, 1032684, 1549026, 2065368, 3098052, 4044679, 6196104, 8089358, 12134037, 16178716, 24268074, 32357432, 36402111, 48536148, 72804222, 97072296, 145608444, 291216888]

約数ペア:

[(1, 291216888), (2, 145608444), (3, 97072296), (4, 72804222), (6, 48536148), (8, 36402111), (9, 32357432), (12, 24268074), (18, 16178716), (24, 12134037), (36, 8089358), (47, 6196104), (72, 4044679), (94, 3098052), (141, 2065368), (188, 1549026), (282, 1032684), (376, 774513), (423, 688456), (564, 516342), (846, 344228), (1128, 258171), (1692, 172114), (1831, 159048), (2209, 131832), (3384, 86057), (3662, 79524), (4418, 65916), (5493, 53016), (6627, 43944), (7324, 39762), (8836, 32958), (10986, 26508), (13254, 21972), (14648, 19881), (16479, 17672)]