128778752

素因数分解:

$2^9\times {\mathrm{97}}^1\times {\mathrm{2593}}^1$

素因数の和:2708

約数の個数: 40

約数和(自身を含む): 260058876

約数和(自身を除く): 131280124

約数列:

[1, 2, 4, 8, 16, 32, 64, 97, 128, 194, 256, 388, 512, 776, 1552, 2593, 3104, 5186, 6208, 10372, 12416, 20744, 24832, 41488, 49664, 82976, 165952, 251521, 331904, 503042, 663808, 1006084, 1327616, 2012168, 4024336, 8048672, 16097344, 32194688, 64389376, 128778752]

約数ペア:

[(1, 128778752), (2, 64389376), (4, 32194688), (8, 16097344), (16, 8048672), (32, 4024336), (64, 2012168), (97, 1327616), (128, 1006084), (194, 663808), (256, 503042), (388, 331904), (512, 251521), (776, 165952), (1552, 82976), (2593, 49664), (3104, 41488), (5186, 24832), (6208, 20744), (10372, 12416)]