81403176

素因数分解:

$2^3\times 3^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{479}}^1$

素因数の和:658

約数の個数: 64

約数和(自身を含む): 208857600

約数和(自身を除く): 127454424

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 73, 97, 146, 194, 219, 291, 292, 388, 438, 479, 582, 584, 776, 876, 958, 1164, 1437, 1752, 1916, 2328, 2874, 3832, 5748, 7081, 11496, 14162, 21243, 28324, 34967, 42486, 46463, 56648, 69934, 84972, 92926, 104901, 139389, 139868, 169944, 185852, 209802, 278778, 279736, 371704, 419604, 557556, 839208, 1115112, 3391799, 6783598, 10175397, 13567196, 20350794, 27134392, 40701588, 81403176]

約数ペア:

[(1, 81403176), (2, 40701588), (3, 27134392), (4, 20350794), (6, 13567196), (8, 10175397), (12, 6783598), (24, 3391799), (73, 1115112), (97, 839208), (146, 557556), (194, 419604), (219, 371704), (291, 279736), (292, 278778), (388, 209802), (438, 185852), (479, 169944), (582, 139868), (584, 139389), (776, 104901), (876, 92926), (958, 84972), (1164, 69934), (1437, 56648), (1752, 46463), (1916, 42486), (2328, 34967), (2874, 28324), (3832, 21243), (5748, 14162), (7081, 11496)]