638170288

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{3221}}^1$

素因数の和:3326

約数の個数: 80

約数和(自身を含む): 1486244160

約数和(自身を除く): 848073872

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 56, 58, 61, 112, 116, 122, 203, 232, 244, 406, 427, 464, 488, 812, 854, 976, 1624, 1708, 1769, 3221, 3248, 3416, 3538, 6442, 6832, 7076, 12383, 12884, 14152, 22547, 24766, 25768, 28304, 45094, 49532, 51536, 90188, 93409, 99064, 180376, 186818, 196481, 198128, 360752, 373636, 392962, 653863, 747272, 785924, 1307726, 1375367, 1494544, 1571848, 2615452, 2750734, 3143696, 5230904, 5501468, 5697949, 10461808, 11002936, 11395898, 22005872, 22791796, 39885643, 45583592, 79771286, 91167184, 159542572, 319085144, 638170288]

約数ペア:

[(1, 638170288), (2, 319085144), (4, 159542572), (7, 91167184), (8, 79771286), (14, 45583592), (16, 39885643), (28, 22791796), (29, 22005872), (56, 11395898), (58, 11002936), (61, 10461808), (112, 5697949), (116, 5501468), (122, 5230904), (203, 3143696), (232, 2750734), (244, 2615452), (406, 1571848), (427, 1494544), (464, 1375367), (488, 1307726), (812, 785924), (854, 747272), (976, 653863), (1624, 392962), (1708, 373636), (1769, 360752), (3221, 198128), (3248, 196481), (3416, 186818), (3538, 180376), (6442, 99064), (6832, 93409), (7076, 90188), (12383, 51536), (12884, 49532), (14152, 45094), (22547, 28304), (24766, 25768)]