28977438

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{643}}^1$

素因数の和:721

約数の個数: 64

約数和(自身を含む): 70479360

約数和(自身を除く): 41501922

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 37, 42, 58, 74, 87, 111, 174, 203, 222, 259, 406, 518, 609, 643, 777, 1073, 1218, 1286, 1554, 1929, 2146, 3219, 3858, 4501, 6438, 7511, 9002, 13503, 15022, 18647, 22533, 23791, 27006, 37294, 45066, 47582, 55941, 71373, 111882, 130529, 142746, 166537, 261058, 333074, 391587, 499611, 689939, 783174, 999222, 1379878, 2069817, 4139634, 4829573, 9659146, 14488719, 28977438]

約数ペア:

[(1, 28977438), (2, 14488719), (3, 9659146), (6, 4829573), (7, 4139634), (14, 2069817), (21, 1379878), (29, 999222), (37, 783174), (42, 689939), (58, 499611), (74, 391587), (87, 333074), (111, 261058), (174, 166537), (203, 142746), (222, 130529), (259, 111882), (406, 71373), (518, 55941), (609, 47582), (643, 45066), (777, 37294), (1073, 27006), (1218, 23791), (1286, 22533), (1554, 18647), (1929, 15022), (2146, 13503), (3219, 9002), (3858, 7511), (4501, 6438)]