215835088

素因数分解:

$2^4\times 7^1\times {\mathrm{97}}^1\times {\mathrm{19867}}^1$

素因数の和:19979

約数の個数: 40

約数和(自身を含む): 482871872

約数和(自身を除く): 267036784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 97, 112, 194, 388, 679, 776, 1358, 1552, 2716, 5432, 10864, 19867, 39734, 79468, 139069, 158936, 278138, 317872, 556276, 1112552, 1927099, 2225104, 3854198, 7708396, 13489693, 15416792, 26979386, 30833584, 53958772, 107917544, 215835088]

約数ペア:

[(1, 215835088), (2, 107917544), (4, 53958772), (7, 30833584), (8, 26979386), (14, 15416792), (16, 13489693), (28, 7708396), (56, 3854198), (97, 2225104), (112, 1927099), (194, 1112552), (388, 556276), (679, 317872), (776, 278138), (1358, 158936), (1552, 139069), (2716, 79468), (5432, 39734), (10864, 19867)]