56571664

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2621}}^1$

素因数の和:2719

約数の個数: 40

約数和(自身を含む): 117046080

約数和(自身を除く): 60474416

約数列:

[1, 2, 4, 8, 16, 19, 38, 71, 76, 142, 152, 284, 304, 568, 1136, 1349, 2621, 2698, 5242, 5396, 10484, 10792, 20968, 21584, 41936, 49799, 99598, 186091, 199196, 372182, 398392, 744364, 796784, 1488728, 2977456, 3535729, 7071458, 14142916, 28285832, 56571664]

約数ペア:

[(1, 56571664), (2, 28285832), (4, 14142916), (8, 7071458), (16, 3535729), (19, 2977456), (38, 1488728), (71, 796784), (76, 744364), (142, 398392), (152, 372182), (284, 199196), (304, 186091), (568, 99598), (1136, 49799), (1349, 41936), (2621, 21584), (2698, 20968), (5242, 10792), (5396, 10484)]