85518916

素因数分解:

$2^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:273

約数の個数: 72

約数和(自身を含む): 181880160

約数和(自身を除く): 96361244

約数列:

[1, 2, 4, 7, 14, 28, 43, 49, 73, 86, 98, 139, 146, 172, 196, 278, 292, 301, 511, 556, 602, 973, 1022, 1204, 1946, 2044, 2107, 3139, 3577, 3892, 4214, 5977, 6278, 6811, 7154, 8428, 10147, 11954, 12556, 13622, 14308, 20294, 21973, 23908, 27244, 40588, 41839, 43946, 71029, 83678, 87892, 142058, 153811, 167356, 284116, 292873, 307622, 436321, 497203, 585746, 615244, 872642, 994406, 1171492, 1745284, 1988812, 3054247, 6108494, 12216988, 21379729, 42759458, 85518916]

約数ペア:

[(1, 85518916), (2, 42759458), (4, 21379729), (7, 12216988), (14, 6108494), (28, 3054247), (43, 1988812), (49, 1745284), (73, 1171492), (86, 994406), (98, 872642), (139, 615244), (146, 585746), (172, 497203), (196, 436321), (278, 307622), (292, 292873), (301, 284116), (511, 167356), (556, 153811), (602, 142058), (973, 87892), (1022, 83678), (1204, 71029), (1946, 43946), (2044, 41839), (2107, 40588), (3139, 27244), (3577, 23908), (3892, 21973), (4214, 20294), (5977, 14308), (6278, 13622), (6811, 12556), (7154, 11954), (8428, 10147)]