28231264

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{787}}^1$

素因数の和:875

約数の個数: 48

約数和(自身を含む): 59572800

約数和(自身を除く): 31341536

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 59, 76, 118, 152, 236, 304, 472, 608, 787, 944, 1121, 1574, 1888, 2242, 3148, 4484, 6296, 8968, 12592, 14953, 17936, 25184, 29906, 35872, 46433, 59812, 92866, 119624, 185732, 239248, 371464, 478496, 742928, 882227, 1485856, 1764454, 3528908, 7057816, 14115632, 28231264]

約数ペア:

[(1, 28231264), (2, 14115632), (4, 7057816), (8, 3528908), (16, 1764454), (19, 1485856), (32, 882227), (38, 742928), (59, 478496), (76, 371464), (118, 239248), (152, 185732), (236, 119624), (304, 92866), (472, 59812), (608, 46433), (787, 35872), (944, 29906), (1121, 25184), (1574, 17936), (1888, 14953), (2242, 12592), (3148, 8968), (4484, 6296)]