81625432

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{479}}^1$

素因数の和:688

約数の個数: 64

約数和(自身を含む): 186624000

約数和(自身を除く): 104998568

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 179, 238, 358, 476, 479, 716, 952, 958, 1253, 1432, 1916, 2506, 3043, 3353, 3832, 5012, 6086, 6706, 8143, 10024, 12172, 13412, 16286, 21301, 24344, 26824, 32572, 42602, 57001, 65144, 85204, 85741, 114002, 170408, 171482, 228004, 342964, 456008, 600187, 685928, 1200374, 1457597, 2400748, 2915194, 4801496, 5830388, 10203179, 11660776, 20406358, 40812716, 81625432]

約数ペア:

[(1, 81625432), (2, 40812716), (4, 20406358), (7, 11660776), (8, 10203179), (14, 5830388), (17, 4801496), (28, 2915194), (34, 2400748), (56, 1457597), (68, 1200374), (119, 685928), (136, 600187), (179, 456008), (238, 342964), (358, 228004), (476, 171482), (479, 170408), (716, 114002), (952, 85741), (958, 85204), (1253, 65144), (1432, 57001), (1916, 42602), (2506, 32572), (3043, 26824), (3353, 24344), (3832, 21301), (5012, 16286), (6086, 13412), (6706, 12172), (8143, 10024)]