28503664

素因数分解:

$2^4\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1621}}^1$

素因数の和:1793

約数の個数: 40

約数和(自身を含む): 63556448

約数和(自身を除く): 35052784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 157, 314, 628, 1099, 1256, 1621, 2198, 2512, 3242, 4396, 6484, 8792, 11347, 12968, 17584, 22694, 25936, 45388, 90776, 181552, 254497, 508994, 1017988, 1781479, 2035976, 3562958, 4071952, 7125916, 14251832, 28503664]

約数ペア:

[(1, 28503664), (2, 14251832), (4, 7125916), (7, 4071952), (8, 3562958), (14, 2035976), (16, 1781479), (28, 1017988), (56, 508994), (112, 254497), (157, 181552), (314, 90776), (628, 45388), (1099, 25936), (1256, 22694), (1621, 17584), (2198, 12968), (2512, 11347), (3242, 8792), (4396, 6484)]