81639264

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{121487}}^1$

素因数の和:121507

約数の個数: 48

約数和(自身を含む): 244919808

約数和(自身を除く): 163280544

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, 121487, 242974, 364461, 485948, 728922, 850409, 971896, 1457844, 1700818, 1943792, 2551227, 2915688, 3401636, 3887584, 5102454, 5831376, 6803272, 10204908, 11662752, 13606544, 20409816, 27213088, 40819632, 81639264]

約数ペア:

[(1, 81639264), (2, 40819632), (3, 27213088), (4, 20409816), (6, 13606544), (7, 11662752), (8, 10204908), (12, 6803272), (14, 5831376), (16, 5102454), (21, 3887584), (24, 3401636), (28, 2915688), (32, 2551227), (42, 1943792), (48, 1700818), (56, 1457844), (84, 971896), (96, 850409), (112, 728922), (168, 485948), (224, 364461), (336, 242974), (672, 121487)]