128157792

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{190711}}^1$

素因数の和:190731

約数の個数: 48

約数和(自身を含む): 384475392

約数和(自身を除く): 256317600

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 672, 190711, 381422, 572133, 762844, 1144266, 1334977, 1525688, 2288532, 2669954, 3051376, 4004931, 4577064, 5339908, 6102752, 8009862, 9154128, 10679816, 16019724, 18308256, 21359632, 32039448, 42719264, 64078896, 128157792]

約数ペア:

[(1, 128157792), (2, 64078896), (3, 42719264), (4, 32039448), (6, 21359632), (7, 18308256), (8, 16019724), (12, 10679816), (14, 9154128), (16, 8009862), (21, 6102752), (24, 5339908), (28, 4577064), (32, 4004931), (42, 3051376), (48, 2669954), (56, 2288532), (84, 1525688), (96, 1334977), (112, 1144266), (168, 762844), (224, 572133), (336, 381422), (672, 190711)]