71528608

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{227}}^1\times {\mathrm{229}}^1$

素因数の和:509

約数の個数: 48

約数和(自身を含む): 145363680

約数和(自身を除く): 73835072

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 227, 229, 344, 454, 458, 688, 908, 916, 1376, 1816, 1832, 3632, 3664, 7264, 7328, 9761, 9847, 19522, 19694, 39044, 39388, 51983, 78088, 78776, 103966, 156176, 157552, 207932, 312352, 315104, 415864, 831728, 1663456, 2235269, 4470538, 8941076, 17882152, 35764304, 71528608]

約数ペア:

[(1, 71528608), (2, 35764304), (4, 17882152), (8, 8941076), (16, 4470538), (32, 2235269), (43, 1663456), (86, 831728), (172, 415864), (227, 315104), (229, 312352), (344, 207932), (454, 157552), (458, 156176), (688, 103966), (908, 78776), (916, 78088), (1376, 51983), (1816, 39388), (1832, 39044), (3632, 19694), (3664, 19522), (7264, 9847), (7328, 9761)]