81840524

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{317}}^1$

素因数の和:462

約数の個数: 48

約数和(自身を含む): 156710400

約数和(自身を除く): 74869876

約数列:

[1, 2, 4, 19, 38, 43, 76, 79, 86, 158, 172, 316, 317, 634, 817, 1268, 1501, 1634, 3002, 3268, 3397, 6004, 6023, 6794, 12046, 13588, 13631, 24092, 25043, 27262, 50086, 54524, 64543, 100172, 129086, 258172, 258989, 475817, 517978, 951634, 1035956, 1076849, 1903268, 2153698, 4307396, 20460131, 40920262, 81840524]

約数ペア:

[(1, 81840524), (2, 40920262), (4, 20460131), (19, 4307396), (38, 2153698), (43, 1903268), (76, 1076849), (79, 1035956), (86, 951634), (158, 517978), (172, 475817), (316, 258989), (317, 258172), (634, 129086), (817, 100172), (1268, 64543), (1501, 54524), (1634, 50086), (3002, 27262), (3268, 25043), (3397, 24092), (6004, 13631), (6023, 13588), (6794, 12046)]