218261484

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{123731}}^1$

素因数の和:123755

約数の個数: 54

約数和(自身を含む): 641797884

約数和(自身を除く): 423536400

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 441, 588, 882, 1764, 123731, 247462, 371193, 494924, 742386, 866117, 1113579, 1484772, 1732234, 2227158, 2598351, 3464468, 4454316, 5196702, 6062819, 7795053, 10393404, 12125638, 15590106, 18188457, 24251276, 31180212, 36376914, 54565371, 72753828, 109130742, 218261484]

約数ペア:

[(1, 218261484), (2, 109130742), (3, 72753828), (4, 54565371), (6, 36376914), (7, 31180212), (9, 24251276), (12, 18188457), (14, 15590106), (18, 12125638), (21, 10393404), (28, 7795053), (36, 6062819), (42, 5196702), (49, 4454316), (63, 3464468), (84, 2598351), (98, 2227158), (126, 1732234), (147, 1484772), (196, 1113579), (252, 866117), (294, 742386), (441, 494924), (588, 371193), (882, 247462), (1764, 123731)]