389259312

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{20123}}^1$

素因数の和:20178

約数の個数: 80

約数和(自身を含む): 1117928448

約数和(自身を除く): 728669136

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 39, 48, 52, 62, 78, 93, 104, 124, 156, 186, 208, 248, 312, 372, 403, 496, 624, 744, 806, 1209, 1488, 1612, 2418, 3224, 4836, 6448, 9672, 19344, 20123, 40246, 60369, 80492, 120738, 160984, 241476, 261599, 321968, 482952, 523198, 623813, 784797, 965904, 1046396, 1247626, 1569594, 1871439, 2092792, 2495252, 3139188, 3742878, 4185584, 4990504, 6278376, 7485756, 8109569, 9981008, 12556752, 14971512, 16219138, 24328707, 29943024, 32438276, 48657414, 64876552, 97314828, 129753104, 194629656, 389259312]

約数ペア:

[(1, 389259312), (2, 194629656), (3, 129753104), (4, 97314828), (6, 64876552), (8, 48657414), (12, 32438276), (13, 29943024), (16, 24328707), (24, 16219138), (26, 14971512), (31, 12556752), (39, 9981008), (48, 8109569), (52, 7485756), (62, 6278376), (78, 4990504), (93, 4185584), (104, 3742878), (124, 3139188), (156, 2495252), (186, 2092792), (208, 1871439), (248, 1569594), (312, 1247626), (372, 1046396), (403, 965904), (496, 784797), (624, 623813), (744, 523198), (806, 482952), (1209, 321968), (1488, 261599), (1612, 241476), (2418, 160984), (3224, 120738), (4836, 80492), (6448, 60369), (9672, 40246), (19344, 20123)]