195778891

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1\times {\mathrm{277}}^1$

素因数の和:499

約数の個数: 32

約数和(自身を含む): 250440192

約数和(自身を除く): 54661301

約数列:

[1, 7, 11, 67, 77, 137, 277, 469, 737, 959, 1507, 1939, 3047, 5159, 9179, 10549, 18559, 21329, 37949, 64253, 100969, 129913, 204149, 265643, 417439, 706783, 1429043, 2542583, 2922073, 17798081, 27968413, 195778891]

約数ペア:

[(1, 195778891), (7, 27968413), (11, 17798081), (67, 2922073), (77, 2542583), (137, 1429043), (277, 706783), (469, 417439), (737, 265643), (959, 204149), (1507, 129913), (1939, 100969), (3047, 64253), (5159, 37949), (9179, 21329), (10549, 18559)]