389635568

素因数分解:

$2^4\times 7^1\times {\mathrm{151}}^1\times {\mathrm{23039}}^1$

素因数の和:23205

約数の個数: 40

約数和(自身を含む): 868515840

約数和(自身を除く): 478880272

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 151, 302, 604, 1057, 1208, 2114, 2416, 4228, 8456, 16912, 23039, 46078, 92156, 161273, 184312, 322546, 368624, 645092, 1290184, 2580368, 3478889, 6957778, 13915556, 24352223, 27831112, 48704446, 55662224, 97408892, 194817784, 389635568]

約数ペア:

[(1, 389635568), (2, 194817784), (4, 97408892), (7, 55662224), (8, 48704446), (14, 27831112), (16, 24352223), (28, 13915556), (56, 6957778), (112, 3478889), (151, 2580368), (302, 1290184), (604, 645092), (1057, 368624), (1208, 322546), (2114, 184312), (2416, 161273), (4228, 92156), (8456, 46078), (16912, 23039)]