2778776

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1$

素因数の和:384

約数の個数: 64

約数和(自身を含む): 7015680

約数和(自身を除く): 4236904

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 143, 154, 182, 286, 308, 347, 364, 572, 616, 694, 728, 1001, 1144, 1388, 2002, 2429, 2776, 3817, 4004, 4511, 4858, 7634, 8008, 9022, 9716, 15268, 18044, 19432, 26719, 30536, 31577, 36088, 49621, 53438, 63154, 99242, 106876, 126308, 198484, 213752, 252616, 347347, 396968, 694694, 1389388, 2778776]

約数ペア:

[(1, 2778776), (2, 1389388), (4, 694694), (7, 396968), (8, 347347), (11, 252616), (13, 213752), (14, 198484), (22, 126308), (26, 106876), (28, 99242), (44, 63154), (52, 53438), (56, 49621), (77, 36088), (88, 31577), (91, 30536), (104, 26719), (143, 19432), (154, 18044), (182, 15268), (286, 9716), (308, 9022), (347, 8008), (364, 7634), (572, 4858), (616, 4511), (694, 4004), (728, 3817), (1001, 2776), (1144, 2429), (1388, 2002)]