81635256

素因数分解:

$2^3\times 3^3\times {\mathrm{139}}^1\times {\mathrm{2719}}^1$

素因数の和:2873

約数の個数: 64

約数和(自身を含む): 228480000

約数和(自身を除く): 146844744

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 139, 216, 278, 417, 556, 834, 1112, 1251, 1668, 2502, 2719, 3336, 3753, 5004, 5438, 7506, 8157, 10008, 10876, 15012, 16314, 21752, 24471, 30024, 32628, 48942, 65256, 73413, 97884, 146826, 195768, 293652, 377941, 587304, 755882, 1133823, 1511764, 2267646, 3023528, 3401469, 4535292, 6802938, 9070584, 10204407, 13605876, 20408814, 27211752, 40817628, 81635256]

約数ペア:

[(1, 81635256), (2, 40817628), (3, 27211752), (4, 20408814), (6, 13605876), (8, 10204407), (9, 9070584), (12, 6802938), (18, 4535292), (24, 3401469), (27, 3023528), (36, 2267646), (54, 1511764), (72, 1133823), (108, 755882), (139, 587304), (216, 377941), (278, 293652), (417, 195768), (556, 146826), (834, 97884), (1112, 73413), (1251, 65256), (1668, 48942), (2502, 32628), (2719, 30024), (3336, 24471), (3753, 21752), (5004, 16314), (5438, 15012), (7506, 10876), (8157, 10008)]