278264916

素因数分解:

$2^2\times 3^3\times {\mathrm{157}}^1\times {\mathrm{16411}}^1$

素因数の和:16581

約数の個数: 48

約数和(自身を含む): 726066880

約数和(自身を除く): 447801964

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 157, 314, 471, 628, 942, 1413, 1884, 2826, 4239, 5652, 8478, 16411, 16956, 32822, 49233, 65644, 98466, 147699, 196932, 295398, 443097, 590796, 886194, 1772388, 2576527, 5153054, 7729581, 10306108, 15459162, 23188743, 30918324, 46377486, 69566229, 92754972, 139132458, 278264916]

約数ペア:

[(1, 278264916), (2, 139132458), (3, 92754972), (4, 69566229), (6, 46377486), (9, 30918324), (12, 23188743), (18, 15459162), (27, 10306108), (36, 7729581), (54, 5153054), (108, 2576527), (157, 1772388), (314, 886194), (471, 590796), (628, 443097), (942, 295398), (1413, 196932), (1884, 147699), (2826, 98466), (4239, 65644), (5652, 49233), (8478, 32822), (16411, 16956)]