16681964

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{167}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 33784128

約数和(自身を除く): 17102164

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 113, 167, 221, 226, 334, 442, 452, 668, 884, 1469, 1921, 2171, 2839, 2938, 3842, 4342, 5678, 5876, 7684, 8684, 11356, 18871, 24973, 36907, 37742, 49946, 73814, 75484, 99892, 147628, 245323, 320807, 490646, 641614, 981292, 1283228, 4170491, 8340982, 16681964]

約数ペア:

[(1, 16681964), (2, 8340982), (4, 4170491), (13, 1283228), (17, 981292), (26, 641614), (34, 490646), (52, 320807), (68, 245323), (113, 147628), (167, 99892), (221, 75484), (226, 73814), (334, 49946), (442, 37742), (452, 36907), (668, 24973), (884, 18871), (1469, 11356), (1921, 8684), (2171, 7684), (2839, 5876), (2938, 5678), (3842, 4342)]