121771988

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{2089}}^1$

素因数の和:2184

約数の個数: 48

約数和(自身を含む): 245784000

約数和(自身を除く): 124012012

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 59, 76, 118, 236, 247, 494, 767, 988, 1121, 1534, 2089, 2242, 3068, 4178, 4484, 8356, 14573, 27157, 29146, 39691, 54314, 58292, 79382, 108628, 123251, 158764, 246502, 493004, 515983, 1031966, 1602263, 2063932, 2341769, 3204526, 4683538, 6409052, 9367076, 30442997, 60885994, 121771988]

約数ペア:

[(1, 121771988), (2, 60885994), (4, 30442997), (13, 9367076), (19, 6409052), (26, 4683538), (38, 3204526), (52, 2341769), (59, 2063932), (76, 1602263), (118, 1031966), (236, 515983), (247, 493004), (494, 246502), (767, 158764), (988, 123251), (1121, 108628), (1534, 79382), (2089, 58292), (2242, 54314), (3068, 39691), (4178, 29146), (4484, 27157), (8356, 14573)]