8638390

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^2\times {\mathrm{631}}^1$

素因数の和:712

約数の個数: 24

約数和(自身を含む): 16006032

約数和(自身を除く): 7367642

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 631, 1262, 1369, 2738, 3155, 6310, 6845, 13690, 23347, 46694, 116735, 233470, 863839, 1727678, 4319195, 8638390]

約数ペア:

[(1, 8638390), (2, 4319195), (5, 1727678), (10, 863839), (37, 233470), (74, 116735), (185, 46694), (370, 23347), (631, 13690), (1262, 6845), (1369, 6310), (2738, 3155)]