289947448

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{272507}}^1$

素因数の和:272539

約数の個数: 32

約数和(自身を含む): 654019200

約数和(自身を除く): 364071752

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 272507, 545014, 1090028, 1907549, 2180056, 3815098, 5177633, 7630196, 10355266, 15260392, 20710532, 36243431, 41421064, 72486862, 144973724, 289947448]

約数ペア:

[(1, 289947448), (2, 144973724), (4, 72486862), (7, 41421064), (8, 36243431), (14, 20710532), (19, 15260392), (28, 10355266), (38, 7630196), (56, 5177633), (76, 3815098), (133, 2180056), (152, 1907549), (266, 1090028), (532, 545014), (1064, 272507)]