129640888

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{181}}^1$

素因数の和:368

約数の個数: 64

約数和(自身を含む): 269680320

約数和(自身を除く): 140039432

約数列:

[1, 2, 4, 8, 13, 26, 52, 71, 97, 104, 142, 181, 194, 284, 362, 388, 568, 724, 776, 923, 1261, 1448, 1846, 2353, 2522, 3692, 4706, 5044, 6887, 7384, 9412, 10088, 12851, 13774, 17557, 18824, 25702, 27548, 35114, 51404, 55096, 70228, 89531, 102808, 140456, 167063, 179062, 228241, 334126, 358124, 456482, 668252, 716248, 912964, 1246547, 1336504, 1825928, 2493094, 4986188, 9972376, 16205111, 32410222, 64820444, 129640888]

約数ペア:

[(1, 129640888), (2, 64820444), (4, 32410222), (8, 16205111), (13, 9972376), (26, 4986188), (52, 2493094), (71, 1825928), (97, 1336504), (104, 1246547), (142, 912964), (181, 716248), (194, 668252), (284, 456482), (362, 358124), (388, 334126), (568, 228241), (724, 179062), (776, 167063), (923, 140456), (1261, 102808), (1448, 89531), (1846, 70228), (2353, 55096), (2522, 51404), (3692, 35114), (4706, 27548), (5044, 25702), (6887, 18824), (7384, 17557), (9412, 13774), (10088, 12851)]