131816784

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{593}}^1$

素因数の和:1036

約数の個数: 80

約数和(自身を含む): 372993984

約数和(自身を除く): 241177200

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 176, 264, 421, 528, 593, 842, 1186, 1263, 1684, 1779, 2372, 2526, 3368, 3558, 4631, 4744, 5052, 6523, 6736, 7116, 9262, 9488, 10104, 13046, 13893, 14232, 18524, 19569, 20208, 26092, 27786, 28464, 37048, 39138, 52184, 55572, 74096, 78276, 104368, 111144, 156552, 222288, 249653, 313104, 499306, 748959, 998612, 1497918, 1997224, 2746183, 2995836, 3994448, 5492366, 5991672, 8238549, 10984732, 11983344, 16477098, 21969464, 32954196, 43938928, 65908392, 131816784]

約数ペア:

[(1, 131816784), (2, 65908392), (3, 43938928), (4, 32954196), (6, 21969464), (8, 16477098), (11, 11983344), (12, 10984732), (16, 8238549), (22, 5991672), (24, 5492366), (33, 3994448), (44, 2995836), (48, 2746183), (66, 1997224), (88, 1497918), (132, 998612), (176, 748959), (264, 499306), (421, 313104), (528, 249653), (593, 222288), (842, 156552), (1186, 111144), (1263, 104368), (1684, 78276), (1779, 74096), (2372, 55572), (2526, 52184), (3368, 39138), (3558, 37048), (4631, 28464), (4744, 27786), (5052, 26092), (6523, 20208), (6736, 19569), (7116, 18524), (9262, 14232), (9488, 13893), (10104, 13046)]