1281876752

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1\times {\mathrm{431}}^1$

素因数の和:712

約数の個数: 80

約数和(自身を含む): 2729825280

約数和(自身を除く): 1447948528

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 79, 104, 158, 181, 208, 316, 362, 431, 632, 724, 862, 1027, 1264, 1448, 1724, 2054, 2353, 2896, 3448, 4108, 4706, 5603, 6896, 8216, 9412, 11206, 14299, 16432, 18824, 22412, 28598, 34049, 37648, 44824, 57196, 68098, 78011, 89648, 114392, 136196, 156022, 185887, 228784, 272392, 312044, 371774, 442637, 544784, 624088, 743548, 885274, 1014143, 1248176, 1487096, 1770548, 2028286, 2974192, 3541096, 4056572, 6162869, 7082192, 8113144, 12325738, 16226288, 24651476, 49302952, 80117297, 98605904, 160234594, 320469188, 640938376, 1281876752]

約数ペア:

[(1, 1281876752), (2, 640938376), (4, 320469188), (8, 160234594), (13, 98605904), (16, 80117297), (26, 49302952), (52, 24651476), (79, 16226288), (104, 12325738), (158, 8113144), (181, 7082192), (208, 6162869), (316, 4056572), (362, 3541096), (431, 2974192), (632, 2028286), (724, 1770548), (862, 1487096), (1027, 1248176), (1264, 1014143), (1448, 885274), (1724, 743548), (2054, 624088), (2353, 544784), (2896, 442637), (3448, 371774), (4108, 312044), (4706, 272392), (5603, 228784), (6896, 185887), (8216, 156022), (9412, 136196), (11206, 114392), (14299, 89648), (16432, 78011), (18824, 68098), (22412, 57196), (28598, 44824), (34049, 37648)]