1640882642

素因数分解:

$2^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{509}}^1\times {\mathrm{563}}^1$

素因数の和:1490

約数の個数: 32

約数和(自身を含む): 2830377600

約数和(自身を除く): 1189494958

約数列:

[1, 2, 7, 14, 409, 509, 563, 818, 1018, 1126, 2863, 3563, 3941, 5726, 7126, 7882, 208181, 230267, 286567, 416362, 460534, 573134, 1457267, 1611869, 2005969, 2914534, 3223738, 4011938, 117205903, 234411806, 820441321, 1640882642]

約数ペア:

[(1, 1640882642), (2, 820441321), (7, 234411806), (14, 117205903), (409, 4011938), (509, 3223738), (563, 2914534), (818, 2005969), (1018, 1611869), (1126, 1457267), (2863, 573134), (3563, 460534), (3941, 416362), (5726, 286567), (7126, 230267), (7882, 208181)]