721378583408

素因数分解:

$2^4\times 7^1\times {\mathrm{179}}^1\times {\mathrm{2081}}^1\times {\mathrm{17291}}^1$

素因数の和:19566

約数の個数: 80

約数和(自身を含む): 1607126780160

約数和(自身を除く): 885748196752

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 179, 358, 716, 1253, 1432, 2081, 2506, 2864, 4162, 5012, 8324, 10024, 14567, 16648, 17291, 20048, 29134, 33296, 34582, 58268, 69164, 116536, 121037, 138328, 233072, 242074, 276656, 372499, 484148, 744998, 968296, 1489996, 1936592, 2607493, 2979992, 3095089, 5214986, 5959984, 6190178, 10429972, 12380356, 20859944, 21665623, 24760712, 35982571, 41719888, 43331246, 49521424, 71965142, 86662492, 143930284, 173324984, 251877997, 287860568, 346649968, 503755994, 575721136, 1007511988, 2015023976, 4030047952, 6440880209, 12881760418, 25763520836, 45086161463, 51527041672, 90172322926, 103054083344, 180344645852, 360689291704, 721378583408]

約数ペア:

[(1, 721378583408), (2, 360689291704), (4, 180344645852), (7, 103054083344), (8, 90172322926), (14, 51527041672), (16, 45086161463), (28, 25763520836), (56, 12881760418), (112, 6440880209), (179, 4030047952), (358, 2015023976), (716, 1007511988), (1253, 575721136), (1432, 503755994), (2081, 346649968), (2506, 287860568), (2864, 251877997), (4162, 173324984), (5012, 143930284), (8324, 86662492), (10024, 71965142), (14567, 49521424), (16648, 43331246), (17291, 41719888), (20048, 35982571), (29134, 24760712), (33296, 21665623), (34582, 20859944), (58268, 12380356), (69164, 10429972), (116536, 6190178), (121037, 5959984), (138328, 5214986), (233072, 3095089), (242074, 2979992), (276656, 2607493), (372499, 1936592), (484148, 1489996), (744998, 968296)]