1209699638

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{35809}}^1$

素因数の和:35964

約数の個数: 32

約数和(自身を含む): 2200166400

約数和(自身を除く): 990466762

約数列:

[1, 2, 7, 14, 19, 38, 127, 133, 254, 266, 889, 1778, 2413, 4826, 16891, 33782, 35809, 71618, 250663, 501326, 680371, 1360742, 4547743, 4762597, 9095486, 9525194, 31834201, 63668402, 86407117, 172814234, 604849819, 1209699638]

約数ペア:

[(1, 1209699638), (2, 604849819), (7, 172814234), (14, 86407117), (19, 63668402), (38, 31834201), (127, 9525194), (133, 9095486), (254, 4762597), (266, 4547743), (889, 1360742), (1778, 680371), (2413, 501326), (4826, 250663), (16891, 71618), (33782, 35809)]