31398744

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{641}}^1$

素因数の和:820

約数の個数: 64

約数和(自身を含む): 85206240

約数和(自身を除く): 53807496

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 157, 312, 314, 471, 628, 641, 942, 1256, 1282, 1884, 1923, 2041, 2564, 3768, 3846, 4082, 5128, 6123, 7692, 8164, 8333, 12246, 15384, 16328, 16666, 24492, 24999, 33332, 48984, 49998, 66664, 99996, 100637, 199992, 201274, 301911, 402548, 603822, 805096, 1207644, 1308281, 2415288, 2616562, 3924843, 5233124, 7849686, 10466248, 15699372, 31398744]

約数ペア:

[(1, 31398744), (2, 15699372), (3, 10466248), (4, 7849686), (6, 5233124), (8, 3924843), (12, 2616562), (13, 2415288), (24, 1308281), (26, 1207644), (39, 805096), (52, 603822), (78, 402548), (104, 301911), (156, 201274), (157, 199992), (312, 100637), (314, 99996), (471, 66664), (628, 49998), (641, 48984), (942, 33332), (1256, 24999), (1282, 24492), (1884, 16666), (1923, 16328), (2041, 15384), (2564, 12246), (3768, 8333), (3846, 8164), (4082, 7692), (5128, 6123)]