31850745

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:206

約数の個数: 64

約数和(自身を含む): 57784320

約数和(自身を除く): 25933575

約数列:

[1, 3, 5, 15, 19, 23, 43, 57, 69, 95, 113, 115, 129, 215, 285, 339, 345, 437, 565, 645, 817, 989, 1311, 1695, 2147, 2185, 2451, 2599, 2967, 4085, 4859, 4945, 6441, 6555, 7797, 10735, 12255, 12995, 14577, 14835, 18791, 24295, 32205, 38985, 49381, 56373, 72885, 92321, 93955, 111757, 148143, 246905, 276963, 281865, 335271, 461605, 558785, 740715, 1384815, 1676355, 2123383, 6370149, 10616915, 31850745]

約数ペア:

[(1, 31850745), (3, 10616915), (5, 6370149), (15, 2123383), (19, 1676355), (23, 1384815), (43, 740715), (57, 558785), (69, 461605), (95, 335271), (113, 281865), (115, 276963), (129, 246905), (215, 148143), (285, 111757), (339, 93955), (345, 92321), (437, 72885), (565, 56373), (645, 49381), (817, 38985), (989, 32205), (1311, 24295), (1695, 18791), (2147, 14835), (2185, 14577), (2451, 12995), (2599, 12255), (2967, 10735), (4085, 7797), (4859, 6555), (4945, 6441)]