228985128

素因数分解:

$2^3\times 3^2\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{431}}^1$

素因数の和:647

約数の個数: 96

約数和(自身を含む): 638876160

約数和(自身を除く): 409891032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 47, 72, 94, 141, 157, 188, 282, 314, 376, 423, 431, 471, 564, 628, 846, 862, 942, 1128, 1256, 1293, 1413, 1692, 1724, 1884, 2586, 2826, 3384, 3448, 3768, 3879, 5172, 5652, 7379, 7758, 10344, 11304, 14758, 15516, 20257, 22137, 29516, 31032, 40514, 44274, 59032, 60771, 66411, 67667, 81028, 88548, 121542, 132822, 135334, 162056, 177096, 182313, 203001, 243084, 265644, 270668, 364626, 406002, 486168, 531288, 541336, 609003, 729252, 812004, 1218006, 1458504, 1624008, 2436012, 3180349, 4872024, 6360698, 9541047, 12721396, 19082094, 25442792, 28623141, 38164188, 57246282, 76328376, 114492564, 228985128]

約数ペア:

[(1, 228985128), (2, 114492564), (3, 76328376), (4, 57246282), (6, 38164188), (8, 28623141), (9, 25442792), (12, 19082094), (18, 12721396), (24, 9541047), (36, 6360698), (47, 4872024), (72, 3180349), (94, 2436012), (141, 1624008), (157, 1458504), (188, 1218006), (282, 812004), (314, 729252), (376, 609003), (423, 541336), (431, 531288), (471, 486168), (564, 406002), (628, 364626), (846, 270668), (862, 265644), (942, 243084), (1128, 203001), (1256, 182313), (1293, 177096), (1413, 162056), (1692, 135334), (1724, 132822), (1884, 121542), (2586, 88548), (2826, 81028), (3384, 67667), (3448, 66411), (3768, 60771), (3879, 59032), (5172, 44274), (5652, 40514), (7379, 31032), (7758, 29516), (10344, 22137), (11304, 20257), (14758, 15516)]