788990125

素因数分解:

$5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{81973}}^1$

素因数の和:82006

約数の個数: 32

約数和(自身を含む): 1227642624

約数和(自身を除く): 438652499

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 125, 175, 275, 385, 875, 1375, 1925, 9625, 81973, 409865, 573811, 901703, 2049325, 2869055, 4508515, 6311921, 10246625, 14345275, 22542575, 31559605, 71726375, 112712875, 157798025, 788990125]

約数ペア:

[(1, 788990125), (5, 157798025), (7, 112712875), (11, 71726375), (25, 31559605), (35, 22542575), (55, 14345275), (77, 10246625), (125, 6311921), (175, 4508515), (275, 2869055), (385, 2049325), (875, 901703), (1375, 573811), (1925, 409865), (9625, 81973)]