664261696

素因数分解:

$2^6\times 7^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{223}}^1$

素因数の和:412

約数の個数: 112

約数和(自身を含む): 1552122880

約数和(自身を除く): 887861184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 61, 64, 109, 112, 122, 218, 223, 224, 244, 427, 436, 446, 448, 488, 763, 854, 872, 892, 976, 1526, 1561, 1708, 1744, 1784, 1952, 3052, 3122, 3416, 3488, 3568, 3904, 6104, 6244, 6649, 6832, 6976, 7136, 12208, 12488, 13298, 13603, 13664, 14272, 24307, 24416, 24976, 26596, 27206, 27328, 46543, 48614, 48832, 49952, 53192, 54412, 93086, 95221, 97228, 99904, 106384, 108824, 170149, 186172, 190442, 194456, 212768, 217648, 340298, 372344, 380884, 388912, 425536, 435296, 680596, 744688, 761768, 777824, 870592, 1361192, 1482727, 1489376, 1523536, 1555648, 2722384, 2965454, 2978752, 3047072, 5444768, 5930908, 6094144, 10379089, 10889536, 11861816, 20758178, 23723632, 41516356, 47447264, 83032712, 94894528, 166065424, 332130848, 664261696]

約数ペア:

[(1, 664261696), (2, 332130848), (4, 166065424), (7, 94894528), (8, 83032712), (14, 47447264), (16, 41516356), (28, 23723632), (32, 20758178), (56, 11861816), (61, 10889536), (64, 10379089), (109, 6094144), (112, 5930908), (122, 5444768), (218, 3047072), (223, 2978752), (224, 2965454), (244, 2722384), (427, 1555648), (436, 1523536), (446, 1489376), (448, 1482727), (488, 1361192), (763, 870592), (854, 777824), (872, 761768), (892, 744688), (976, 680596), (1526, 435296), (1561, 425536), (1708, 388912), (1744, 380884), (1784, 372344), (1952, 340298), (3052, 217648), (3122, 212768), (3416, 194456), (3488, 190442), (3568, 186172), (3904, 170149), (6104, 108824), (6244, 106384), (6649, 99904), (6832, 97228), (6976, 95221), (7136, 93086), (12208, 54412), (12488, 53192), (13298, 49952), (13603, 48832), (13664, 48614), (14272, 46543), (24307, 27328), (24416, 27206), (24976, 26596)]