647872

素因数分解:

$2^6\times {\mathrm{53}}^1\times {\mathrm{191}}^1$

素因数の和:256

約数の個数: 28

約数和(自身を含む): 1316736

約数和(自身を除く): 668864

約数列:

[1, 2, 4, 8, 16, 32, 53, 64, 106, 191, 212, 382, 424, 764, 848, 1528, 1696, 3056, 3392, 6112, 10123, 12224, 20246, 40492, 80984, 161968, 323936, 647872]

約数ペア:

[(1, 647872), (2, 323936), (4, 161968), (8, 80984), (16, 40492), (32, 20246), (53, 12224), (64, 10123), (106, 6112), (191, 3392), (212, 3056), (382, 1696), (424, 1528), (764, 848)]