138311936

素因数分解:

$2^8\times 7^1\times {\mathrm{79}}^1\times {\mathrm{977}}^1$

素因数の和:1079

約数の個数: 72

約数和(自身を含む): 319845120

約数和(自身を除く): 181533184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 79, 112, 128, 158, 224, 256, 316, 448, 553, 632, 896, 977, 1106, 1264, 1792, 1954, 2212, 2528, 3908, 4424, 5056, 6839, 7816, 8848, 10112, 13678, 15632, 17696, 20224, 27356, 31264, 35392, 54712, 62528, 70784, 77183, 109424, 125056, 141568, 154366, 218848, 250112, 308732, 437696, 540281, 617464, 875392, 1080562, 1234928, 1750784, 2161124, 2469856, 4322248, 4939712, 8644496, 9879424, 17288992, 19758848, 34577984, 69155968, 138311936]

約数ペア:

[(1, 138311936), (2, 69155968), (4, 34577984), (7, 19758848), (8, 17288992), (14, 9879424), (16, 8644496), (28, 4939712), (32, 4322248), (56, 2469856), (64, 2161124), (79, 1750784), (112, 1234928), (128, 1080562), (158, 875392), (224, 617464), (256, 540281), (316, 437696), (448, 308732), (553, 250112), (632, 218848), (896, 154366), (977, 141568), (1106, 125056), (1264, 109424), (1792, 77183), (1954, 70784), (2212, 62528), (2528, 54712), (3908, 35392), (4424, 31264), (5056, 27356), (6839, 20224), (7816, 17696), (8848, 15632), (10112, 13678)]