1278757548

素因数分解:

$2^2\times 3^2\times {\mathrm{131}}^1\times {\mathrm{263}}^1\times {\mathrm{1031}}^1$

素因数の和:1435

約数の個数: 72

約数和(自身を含む): 3272645376

約数和(自身を除く): 1993887828

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 131, 262, 263, 393, 524, 526, 786, 789, 1031, 1052, 1179, 1572, 1578, 2062, 2358, 2367, 3093, 3156, 4124, 4716, 4734, 6186, 9279, 9468, 12372, 18558, 34453, 37116, 68906, 103359, 135061, 137812, 206718, 270122, 271153, 310077, 405183, 413436, 540244, 542306, 620154, 810366, 813459, 1084612, 1215549, 1240308, 1620732, 1626918, 2431098, 2440377, 3253836, 4862196, 4880754, 9761508, 35521043, 71042086, 106563129, 142084172, 213126258, 319689387, 426252516, 639378774, 1278757548]

約数ペア:

[(1, 1278757548), (2, 639378774), (3, 426252516), (4, 319689387), (6, 213126258), (9, 142084172), (12, 106563129), (18, 71042086), (36, 35521043), (131, 9761508), (262, 4880754), (263, 4862196), (393, 3253836), (524, 2440377), (526, 2431098), (786, 1626918), (789, 1620732), (1031, 1240308), (1052, 1215549), (1179, 1084612), (1572, 813459), (1578, 810366), (2062, 620154), (2358, 542306), (2367, 540244), (3093, 413436), (3156, 405183), (4124, 310077), (4716, 271153), (4734, 270122), (6186, 206718), (9279, 137812), (9468, 135061), (12372, 103359), (18558, 68906), (34453, 37116)]