1277954444

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{509}}^1\times {\mathrm{911}}^1$

素因数の和:1490

約数の個数: 48

約数和(自身を含む): 2461415040

約数和(自身を除く): 1183460596

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 212, 509, 689, 911, 1018, 1378, 1822, 2036, 2756, 3644, 6617, 11843, 13234, 23686, 26468, 26977, 47372, 48283, 53954, 96566, 107908, 193132, 350701, 463699, 627679, 701402, 927398, 1255358, 1402804, 1854796, 2510716, 6028087, 12056174, 24112348, 24576047, 49152094, 98304188, 319488611, 638977222, 1277954444]

約数ペア:

[(1, 1277954444), (2, 638977222), (4, 319488611), (13, 98304188), (26, 49152094), (52, 24576047), (53, 24112348), (106, 12056174), (212, 6028087), (509, 2510716), (689, 1854796), (911, 1402804), (1018, 1255358), (1378, 927398), (1822, 701402), (2036, 627679), (2756, 463699), (3644, 350701), (6617, 193132), (11843, 107908), (13234, 96566), (23686, 53954), (26468, 48283), (26977, 47372)]