257417072

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{23977}}^1$

素因数の和:24057

約数の個数: 40

約数和(自身を含む): 553028592

約数和(自身を除く): 295611520

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 61, 88, 122, 176, 244, 488, 671, 976, 1342, 2684, 5368, 10736, 23977, 47954, 95908, 191816, 263747, 383632, 527494, 1054988, 1462597, 2109976, 2925194, 4219952, 5850388, 11700776, 16088567, 23401552, 32177134, 64354268, 128708536, 257417072]

約数ペア:

[(1, 257417072), (2, 128708536), (4, 64354268), (8, 32177134), (11, 23401552), (16, 16088567), (22, 11700776), (44, 5850388), (61, 4219952), (88, 2925194), (122, 2109976), (176, 1462597), (244, 1054988), (488, 527494), (671, 383632), (976, 263747), (1342, 191816), (2684, 95908), (5368, 47954), (10736, 23977)]