77961978

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{887}}^1$

素因数の和:1171

約数の個数: 48

約数和(自身を含む): 178701120

約数和(自身を除く): 100739142

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 257, 342, 514, 771, 887, 1542, 1774, 2313, 2661, 4626, 4883, 5322, 7983, 9766, 14649, 15966, 16853, 29298, 33706, 43947, 50559, 87894, 101118, 151677, 227959, 303354, 455918, 683877, 1367754, 2051631, 4103262, 4331221, 8662442, 12993663, 25987326, 38980989, 77961978]

約数ペア:

[(1, 77961978), (2, 38980989), (3, 25987326), (6, 12993663), (9, 8662442), (18, 4331221), (19, 4103262), (38, 2051631), (57, 1367754), (114, 683877), (171, 455918), (257, 303354), (342, 227959), (514, 151677), (771, 101118), (887, 87894), (1542, 50559), (1774, 43947), (2313, 33706), (2661, 29298), (4626, 16853), (4883, 15966), (5322, 14649), (7983, 9766)]