30811681264

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21161869}}^1$

素因数の和:21161897

約数の個数: 40

約数和(自身を含む): 73474012640

約数和(自身を除く): 42662331376

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 21161869, 42323738, 84647476, 148133083, 169294952, 275104297, 296266166, 338589904, 550208594, 592532332, 1100417188, 1185064664, 1925730079, 2200834376, 2370129328, 3851460158, 4401668752, 7702920316, 15405840632, 30811681264]

約数ペア:

[(1, 30811681264), (2, 15405840632), (4, 7702920316), (7, 4401668752), (8, 3851460158), (13, 2370129328), (14, 2200834376), (16, 1925730079), (26, 1185064664), (28, 1100417188), (52, 592532332), (56, 550208594), (91, 338589904), (104, 296266166), (112, 275104297), (182, 169294952), (208, 148133083), (364, 84647476), (728, 42323738), (1456, 21161869)]