61907890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{1559}}^1$

素因数の和:1615

約数の個数: 48

約数和(自身を含む): 128381760

約数和(自身を除く): 66473870

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 361, 418, 722, 1045, 1559, 1805, 2090, 3118, 3610, 3971, 7795, 7942, 15590, 17149, 19855, 29621, 34298, 39710, 59242, 85745, 148105, 171490, 296210, 325831, 562799, 651662, 1125598, 1629155, 2813995, 3258310, 5627990, 6190789, 12381578, 30953945, 61907890]

約数ペア:

[(1, 61907890), (2, 30953945), (5, 12381578), (10, 6190789), (11, 5627990), (19, 3258310), (22, 2813995), (38, 1629155), (55, 1125598), (95, 651662), (110, 562799), (190, 325831), (209, 296210), (361, 171490), (418, 148105), (722, 85745), (1045, 59242), (1559, 39710), (1805, 34298), (2090, 29621), (3118, 19855), (3610, 17149), (3971, 15590), (7795, 7942)]