28001364

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{643}}^1$

素因数の和:860

約数の個数: 48

約数和(自身を含む): 69242880

約数和(自身を除く): 41241516

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 191, 228, 382, 573, 643, 764, 1146, 1286, 1929, 2292, 2572, 3629, 3858, 7258, 7716, 10887, 12217, 14516, 21774, 24434, 36651, 43548, 48868, 73302, 122813, 146604, 245626, 368439, 491252, 736878, 1473756, 2333447, 4666894, 7000341, 9333788, 14000682, 28001364]

約数ペア:

[(1, 28001364), (2, 14000682), (3, 9333788), (4, 7000341), (6, 4666894), (12, 2333447), (19, 1473756), (38, 736878), (57, 491252), (76, 368439), (114, 245626), (191, 146604), (228, 122813), (382, 73302), (573, 48868), (643, 43548), (764, 36651), (1146, 24434), (1286, 21774), (1929, 14516), (2292, 12217), (2572, 10887), (3629, 7716), (3858, 7258)]