668760631

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{269}}^1\times {\mathrm{389}}^1$

素因数の和:759

約数の個数: 32

約数和(自身を含む): 849139200

約数和(自身を除く): 180378569

約数列:

[1, 7, 11, 77, 83, 269, 389, 581, 913, 1883, 2723, 2959, 4279, 6391, 20713, 22327, 29953, 32287, 104641, 156289, 226009, 245597, 355157, 732487, 1151051, 1719179, 2486099, 8057357, 8685203, 60796421, 95537233, 668760631]

約数ペア:

[(1, 668760631), (7, 95537233), (11, 60796421), (77, 8685203), (83, 8057357), (269, 2486099), (389, 1719179), (581, 1151051), (913, 732487), (1883, 355157), (2723, 245597), (2959, 226009), (4279, 156289), (6391, 104641), (20713, 32287), (22327, 29953)]