28850528

素因数分解:

$2^5\times 7^1\times {\mathrm{37}}^1\times {\mathrm{59}}^2$

素因数の和:172

約数の個数: 72

約数和(自身を含む): 67817232

約数和(自身を除く): 38966704

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 37, 56, 59, 74, 112, 118, 148, 224, 236, 259, 296, 413, 472, 518, 592, 826, 944, 1036, 1184, 1652, 1888, 2072, 2183, 3304, 3481, 4144, 4366, 6608, 6962, 8288, 8732, 13216, 13924, 15281, 17464, 24367, 27848, 30562, 34928, 48734, 55696, 61124, 69856, 97468, 111392, 122248, 128797, 194936, 244496, 257594, 389872, 488992, 515188, 779744, 901579, 1030376, 1803158, 2060752, 3606316, 4121504, 7212632, 14425264, 28850528]

約数ペア:

[(1, 28850528), (2, 14425264), (4, 7212632), (7, 4121504), (8, 3606316), (14, 2060752), (16, 1803158), (28, 1030376), (32, 901579), (37, 779744), (56, 515188), (59, 488992), (74, 389872), (112, 257594), (118, 244496), (148, 194936), (224, 128797), (236, 122248), (259, 111392), (296, 97468), (413, 69856), (472, 61124), (518, 55696), (592, 48734), (826, 34928), (944, 30562), (1036, 27848), (1184, 24367), (1652, 17464), (1888, 15281), (2072, 13924), (2183, 13216), (3304, 8732), (3481, 8288), (4144, 6962), (4366, 6608)]