638962646

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{911}}^1$

素因数の和:1365

約数の個数: 48

約数和(自身を含む): 1184611392

約数和(自身を除く): 545648746

約数列:

[1, 2, 7, 14, 17, 34, 49, 98, 119, 238, 421, 833, 842, 911, 1666, 1822, 2947, 5894, 6377, 7157, 12754, 14314, 15487, 20629, 30974, 41258, 44639, 50099, 89278, 100198, 108409, 216818, 350693, 383531, 701386, 758863, 767062, 1517726, 2684717, 5369434, 6520027, 13040054, 18793019, 37586038, 45640189, 91280378, 319481323, 638962646]

約数ペア:

[(1, 638962646), (2, 319481323), (7, 91280378), (14, 45640189), (17, 37586038), (34, 18793019), (49, 13040054), (98, 6520027), (119, 5369434), (238, 2684717), (421, 1517726), (833, 767062), (842, 758863), (911, 701386), (1666, 383531), (1822, 350693), (2947, 216818), (5894, 108409), (6377, 100198), (7157, 89278), (12754, 50099), (14314, 44639), (15487, 41258), (20629, 30974)]