291246208

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{3391}}^1$

素因数の和:3477

約数の個数: 64

約数和(自身を含む): 643530240

約数和(自身を除く): 352284032

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 61, 64, 88, 122, 128, 176, 244, 352, 488, 671, 704, 976, 1342, 1408, 1952, 2684, 3391, 3904, 5368, 6782, 7808, 10736, 13564, 21472, 27128, 37301, 42944, 54256, 74602, 85888, 108512, 149204, 206851, 217024, 298408, 413702, 434048, 596816, 827404, 1193632, 1654808, 2275361, 2387264, 3309616, 4550722, 4774528, 6619232, 9101444, 13238464, 18202888, 26476928, 36405776, 72811552, 145623104, 291246208]

約数ペア:

[(1, 291246208), (2, 145623104), (4, 72811552), (8, 36405776), (11, 26476928), (16, 18202888), (22, 13238464), (32, 9101444), (44, 6619232), (61, 4774528), (64, 4550722), (88, 3309616), (122, 2387264), (128, 2275361), (176, 1654808), (244, 1193632), (352, 827404), (488, 596816), (671, 434048), (704, 413702), (976, 298408), (1342, 217024), (1408, 206851), (1952, 149204), (2684, 108512), (3391, 85888), (3904, 74602), (5368, 54256), (6782, 42944), (7808, 37301), (10736, 27128), (13564, 21472)]