318949328

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{643043}}^1$

素因数の和:643082

約数の個数: 20

約数和(自身を含む): 637899648

約数和(自身を除く): 318950320

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 643043, 1286086, 2572172, 5144344, 10288688, 19934333, 39868666, 79737332, 159474664, 318949328]

約数ペア:

[(1, 318949328), (2, 159474664), (4, 79737332), (8, 39868666), (16, 19934333), (31, 10288688), (62, 5144344), (124, 2572172), (248, 1286086), (496, 643043)]