28390472

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 59211600

約数和(自身を除く): 30821128

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 139, 211, 242, 278, 422, 484, 556, 844, 968, 1112, 1529, 1688, 2321, 3058, 4642, 6116, 9284, 12232, 16819, 18568, 25531, 29329, 33638, 51062, 58658, 67276, 102124, 117316, 134552, 204248, 234632, 322619, 645238, 1290476, 2580952, 3548809, 7097618, 14195236, 28390472]

約数ペア:

[(1, 28390472), (2, 14195236), (4, 7097618), (8, 3548809), (11, 2580952), (22, 1290476), (44, 645238), (88, 322619), (121, 234632), (139, 204248), (211, 134552), (242, 117316), (278, 102124), (422, 67276), (484, 58658), (556, 51062), (844, 33638), (968, 29329), (1112, 25531), (1529, 18568), (1688, 16819), (2321, 12232), (3058, 9284), (4642, 6116)]