814804775

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{239}}^1$

素因数の和:416

約数の個数: 48

約数和(自身を含む): 1079930880

約数和(自身を除く): 265126105

約数列:

[1, 5, 25, 31, 53, 83, 155, 239, 265, 415, 775, 1195, 1325, 1643, 2075, 2573, 4399, 5975, 7409, 8215, 12667, 12865, 19837, 21995, 37045, 41075, 63335, 64325, 99185, 109975, 136369, 185225, 316675, 392677, 495925, 614947, 681845, 1051361, 1963385, 3074735, 3409225, 5256805, 9816925, 15373675, 26284025, 32592191, 162960955, 814804775]

約数ペア:

[(1, 814804775), (5, 162960955), (25, 32592191), (31, 26284025), (53, 15373675), (83, 9816925), (155, 5256805), (239, 3409225), (265, 3074735), (415, 1963385), (775, 1051361), (1195, 681845), (1325, 614947), (1643, 495925), (2075, 392677), (2573, 316675), (4399, 185225), (5975, 136369), (7409, 109975), (8215, 99185), (12667, 64325), (12865, 63335), (19837, 41075), (21995, 37045)]